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Question 1 :
In one to two sentences, explain why low-pressure systems are associated with bad weather?
Question 2:
In 1–2 sentences, explain what biome comprises most of Antarctica and why the continent is described as being part of this biome.
Answer:
question 1
Low-pressure areas are places where the atmosphere is relatively thin. Winds blow inward toward these areas. This causes air to rise, producing clouds and condensation. Low-pressure areas tend to be well-organized storms
question 2
Scientists that work in Antarctica mostly refer to the majority of the continent as being cold desert or polar desert. The difference between cold and polar desert is very technical, mainly dealing with mineral salt chemistry.
Explanation:
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the protein that carries oxygen in our blood is known as
Iron is a component of hemoglobin, which enables it to absorb oxygen from the air we breathe and transport it throughout the body.
What is Hemoglobin?The iron-containing oxygen-transporting metalloprotein known as hemoglobin, often known by the abbreviations Hb or Hgb, is found in the red blood cells of almost all vertebrates as well as some invertebrate organs. The oxygen from the respiratory organs is transported to the rest of the body by hemoglobin in the blood.
The normal ranges for haemoglobin are different for males and females, and they also vary depending on the ethnicity of the population. Additionally, age is a factor, particularly for women.
When you have anemia, your body doesn't produce enough healthy red blood cells to supply your tissues with enough oxygen. Anemia, commonly known as low hemoglobin, can make you feel exhausted and frail.
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If you placed the celery into a bottle of colored water that was 35% sugar, would the colored water be seen in the celery? Why or why not?
Answer:
yes,The small "vessels" in the celery stalks carry the water and color to the leaves, like the way blood travels through your body.
Explanation:
Shown below are 4 stages (A,B,C,D) (not in sequence) of a certain kind of cell division.
The diagram below shows a cell undergoing mitosis (cell division). The correct order of the stages is B, C, D and A.
Mitosis is a type of cell division in which a parental cell divides to produce two genetically identical daughter cells.
In this case, an animal cell is undergone mitosis because the cell exhibits centrioles (only found in animal cells) and lacks cell walls (only present in plant cells).
The stages of mitosis include prophase, prometaphase, metaphase, anaphase, and telophase.
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Select ALL the correct arswers.
Which statements correctly describe mutations in gametes and mutations in somatic cells?
Mutations to somatic cells are only present in the type of cell in which the mutation occurred.
Mutations to gametes are more likely to be beneficial than mutations to somatic cells.
Mutations to somatic cells will be inherited by an organism's offspring.
Mutations to gametes can be passed on to an organism's offspring
O Mutations to gametes do not involve changes in the DNA.
Mutations to somatic cells are transferred to daughter cells.
Answer:mutations to gametes can be passed on to an organism's offspring and mutations to somatic cells are only present in the type of cell in which the mutation occurred.
Explanation:The mutation in the somatic cells is known as somatic mutations. As they do not take place in the cells, which give rise to gametes, thus, the mutation is not inherited to the next generation by the sexual means.
On the other hand, the genetic mutations take place in the germline cells, that is, egg and sperm, because of this the mutations possesses the tendency to get passed on from one generation to another.
Thus, mutations are only passed on to offspring when they take place in germ cell DNA. The other kind of cells, the somatic cells refers to the rest of the cells in the body and mutations, which takes place in these cells do not get inherited further to the offspring.
Hence, the correct statements are
what is mauna loa volcano intensity?
Answer:
And over time, volcanoes made from low lava viscosity are wide and have a shallow slope; these are known as shield volcanoes. Classic examples of shield volcanoes are Mauna Kea and Mauna Loa in Hawaii, as well as Olympus Mons on Mars. When lava has a high viscosity, it's very thick and doesn't flow very well at all.
9,600 cubic miles
Mauna Loa is the largest volcano on Earth with an estimated volume of 9,600 cubic miles (40,000 cubic kilometers). It makes half of the area of the Island of Hawaii. Mauna Loa began to form nearly a million years ago. There is a caldera, Mokuaweoweo, at the summit and rift zones extend to the northeast and southwest.
Explanation:
What is a population?
a. a group of organisms that occupy the same general area at different times
b. a group of individuals of a single species that occupy the same general area at the same time
c. the growth rate of individuals of a single species that occupy the same general area at the same time
d. the growth rate of individuals of a single species that occupy the same general area at different times
Complete the equation for photosynthesis.
+ water
+ oxygen
In light-dependent reactions, light energy is absorbed and converted into chemical energy in the form of
.
Answer:
ATP
I hope this helped...,..........
What are some characteristics of scientific thinking?
Answer:
Open-mindedness. Capable of accepting new and different ideas.
Skepticism. Having an attitude of doubt.
Honesty. Scientists report results truthfully.
curiosity. leads to new scientific knowledge.
creativity. involves coming up with new sources and ways to solve problems or produce things.
Charlotte created a table with characteristics of the modern classification system for her science project.
Charlotte did not get a good grade on her science project. Which describes the mistake she made on her table?
A. Organisms found in the kingdom Archaebacteria are prokaryotic.
B. Organisms found in the kingdom Eubacteria are multicellular.
C. Organisms found in the kingdom Protista are only unicellular.
D. Organisms found in the kingdom Animalia are prokaryotic.
The statement 'organisms found in the kingdom Archaebacteria are prokaryotic' describes the mistake she made on her table (Option A).
What are prokaryotes?Prokaryotes are unicellular organisms that lack cell nuclei and membrane-bound organelles.
According to modern systems of classification, prokaryotic organisms include Archea and Bacteria domains.Eukaryotic organisms include both unicellular and multicellular organisms.In conclusion, the statement 'organisms found in the kingdom Archaebacteria are prokaryotic' describes the mistake she made on her table (Option A).
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1. Who was Alfred Wegener?
what were the conditions during the 1600s and 1700s?
Answer:
Crop failure and disease was a constant threat to life. Wheat bread was the favorite staple, but most peasants lived on Rye and Barley in the form of bread and beer. These grains were cheaper and higher yield, though less tasty.
during the light reactions of photosynthesis protons are actively transported:
Answer:
During photosynthesis a proton gradient is maintained by the active pumping of protons across the thylakoid membrane into the lumen of the thylakoid. ... The light dependent reactions require photosynthetic pigments that are found embedded in the thylakoid membrane.
During photosynthesis a proton gradient is maintained by the active pumping of protons across the thylakoid membrane into the lumen of the thylakoid.
What is light reaction?The initial step of the photosynthesis process is called the light reaction, and it is at this stage that solar energy is turned into chemical energy in the form of ATP and NADPH. Both the protein complexes and the molecules of the pigment contribute to the synthesis of NADPH and ATP.
The thylakoid discs are the locations of the light response that takes place. There, oxygen (O2) is produced as a byproduct of the oxidation of water (H20). After being released from water, the electrons are then transferred to ATP and NADPH. Outside of the thylakoids is where the dark reaction takes place.
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John and Marissa purchase their first home for $120,000. They must put 15 percent down on the purchase price as a down payment. What will the amount of the down payment be?
Answer:
Downpayment: 15% of original price
Original price: $120,000
15% of 120,000 = [tex]\frac{15}{100}[/tex] × 120,000
= $18,000
Thus, the downpayment is $18,000.
John and Marissa purchase their first home for $120,000 than the Down payment is 15% of original price
Original price: $120,000
15% of 120,000 = × 12 = $18,000
Thus, the downpayment is $18,000.
What is down payment?Part A
The down payment of $48,000 is 20% of the purchase price
Part B
A $12,000 down payment will be 5% of the purchase price
A percentage is the expression of the product of the ratio of two numbers and 100
The amount the investors buy the studio apartment = $240,000
The amount the investors have as down payment = $48,000
Part A
The ratio of the down payment the investors have and the amount the investors buy the apartment = 45,000/240,00 = 0.2
Therefore, their down payment is 0.2×100 = 20% percentage of their purchase price
Their $48,000 down payment is 20% of their purchase price
Part B
The percentage of the purchase price a $12,000 down payment would be is given as follows;
12,000/240,000 × 100 = 5%
Therefore, a $12,000 down payment will be 5% of the purchase price.
John and Marissa purchase their first home for $120,000 than the Down payment is 15% of original price
Original price: $120,000
15% of 120,000 = × 12 = $18,000
Thus, the down payment is $18,000.
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What protein facilitates transmission of nerve signals between neurons?
a. neurotransmitters
b. interneurons
c. axons
d. myelin
a group of unicellular organisms that live together but have on relationship to one another
The group of unicellular organisms that live together but have no relation to one another is called colonial organisms.
What are colonial organisms?The organization of cells leads to their efficiency. The organization of cells leads to the formation of tissues and organs which leads to the efficient functioning of an organism.
The organization of cells is not only seen in the multicellular level of organization. It starts from the organization of molecules to form structures like proteins and nucleic acid.
Unicellular organisms are able to live and survive independently and perform all life processes necessary for their own survival. But, bacteria are often found to live together in colonies.
A colony is a group of individual organisms that live close to each other. They live together because they are stronger in a colony. A colony of bacteria can protect themselves, acquire their nutrition or attack a host in a better way.
Therefore, a group of organisms who live close to each other and have no relationship is called colonial organisms.
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what percentage of american black genes are european
Answer:
African Americans and Latinos have much lower percentages than European Americans, whose genomes are 99.6% European, 0.19 percent African, and 0.18 percent Native American.
Explanation:
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After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be
A used as a nutrient by plants
B fix by bacteria in the soil
C absorbed into the atmosphere by lightning
After nitrogen becomes part of the lithosphere, the next change the nitrogen will under go is it will be:-
A. used as a nutrient by plants
B. fix by bacteria in the soil
C. absorbed into the atmosphere by lightning
Answer:-B. fix by bacteria in the soil
Explanation:-These bacteria are known as nitrogen-fixing bacteria. These nitrogen-fixing bacteria convert nitrogen in the soil to ammonia. Ammonia can be taken up by plants.69. Plants transform energy from the sun
into
A nuclear energy
B chemical energy.
C visible light.
D steam.
Answer:
B. chemical energy
Explanation:
animals of the same general body types have the same anatomy true or false
Animals of the same general body types having the same anatomy is True.
Anatomy is the study of the body parts, structures and functions of
organisms.
In situations where animals have the same general body type , then it means
they also have the same anatomy. A good example is mammals which have
the same structure of body parts and the same anatomy.
Organisms with different body structures however have an entirely different
anatomy which is why True is the most appropriate choice.
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what three things are produced during the light reaction
Which stage is labeled E in the diagram?
Answer:
can you show the diagram?
in an El nino event, surface temperatures of the pacific oceans are above average for at least a year. what effect, if any, would warmer temperatures have on the growth of a kelp forest ecosystem on the california coast?
El Niño is a phenomenon that impedes warm water to move westward and upwellings events. The kelp forest ecosystem is negatively affected by the rise in water temperature, lack of nutrients, and consequent effects.
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kelp forestThe kelp forest is a large population of brown algae that live in marine cool and relatively shallow waters rich in nutrients.
The population density is so high that they are considered to be marine forests, accomplishing many ecosystemic services, such as
absorbing CO₂, releasing a significant amount of O₂, protecting the coasts from waves erosion, and decreasing acidification.They are shelter and source of food for many different species, becoming one of the most diverse and productive habitats.
El Niño Event
The El Nino Southern Oscillation -ENSO- phenomenon occurs due to a complex system of climatic oscillations between the ocean and the atmosphere.
This phenomenon causes significant perturbations in the usual pluvial regimens in the tropics. It provokes
• dry seasons in areas where it usually rains
• rainy seasons in desertic regions.
ENSO phenomenon is dominant in the global climate system.
Under El Niño conditions
A tropical and weak stream in the Pacific acquires strength while the opposite streams debilitate. This change impedes warm water go westward, remaining on America's west coasts. Upwelling does not occur on the America's coasts. In some regions, temperatures rise, and unusual precipitations occur in desertic or dry areas -Atacama desert-. Other affected areas are Eastsouth Asia, Australia, and New Zealand, where there are fewer precipitations and cooler temperatures. Rainfall drops below the average, affecting crops and livestock. Effect of warmer temperatures on the kelp forest
The kelp forest is very sensitive to temperature changes. As a fact, the forest distribution depends on temperature as a limiting factor.
El Niño event has a damaging influence on these forests, not only because they reduce the availability of nutrients but also because they produce a significant change in water temperature.
Ocean warming negatively impacts algae reproduction, growth, and survivorship.
Algae are damaged by the temperature rise to the point of being eliminated.
Associated species composing the marine ecosystem are affected too since they have no refuge, food and live in environments with a higher concentration of CO₂, lower O₂, and more acidification.
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Explain the variation and distribution of expressed traits in a population in regards to the Sama-Bajau people and enlarged spleen. How does having an enlarged spleen benefit?
It is common for Sama-Banjou people to have an enlarged spleen, this is the result of environmental factors as a larger spleen helps them to dive better.
In most people, an enlarged spleen is not common and it is often related to specific conditions and diseases. Due to this, the percentage of people with an enlarged spleen is quite low.
Despite this, it has been found many Sama-Banjou people have an enlarged spleen and this is the result of environmental factors. Indeed, Sama-Banjou people have relied on diving to survive for centuries as they collect seashells from the seafloor.
This condition has led to bigger spleens, these bigger spleens increase the amount of oxygen while diving, and therefore, help them to dive for longer periods.
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Functional groups
Answer: I don't have a definitive answer for this question but I do have a helpful explanation.
Explanation: Try to find out what each letter means and organize the elements by how they connect to each other. If you don't know you can research to find a diagram that can help show you how to connect these functional elements. You could try searching how do you find the elements of HOH in a diagram.
A form of asexual reproduction in bacteria and other prokaryotes that involves the splitting of a parent cell into two independent cells is
called binary fission
True
False
recently, state forests and parks like yellowstone national park which contain varieties of flowering trees and shrubs, have started to erect signs that state, take nothing but pictures, leave nothing but footprints. which argument best supports why these signs are being placed in state forests and parks?
The argument that best supports why the signs are placed in the parks is that humans have the capacity to cause damages to the stability of ecosystems through their actions.
By removing tissues of plants or even entire plants, the stability of the entire park can be disrupted depending on the role such a plant plays in the ecosystem. Some species of organisms in the ecosystem play key roles and their removal or damages may cause significant disruption to the entire ecosystem.
Also, by leaving things that can be harmful to the plant species in parks, immeasurable damages can be done to the entire ecosystem.
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The best argument that supports the signs being placed in state forests and parks is: humans are capable of damaging the stability of the ecosystems by removing trees and shrubs.
Different components in an ecosystem interact with each other to ensure biodiversity is sustained. Some species of an ecosystem play important roles and a disruption or removal of such key species would cause disruption in the ecosystem.
Trees and flowers in this said park play important roles in the ecosystem of the park. If they are damaged or removed from the ecosystem, the biodiversity of the ecosystem will be impacted which will cause instability of the ecosystem.
Therefore, the best argument that supports the signs being placed in state forests and parks is: humans are capable of damaging the stability of the ecosystems by removing trees and shrubs.Learn more about ecosystem stability on:
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MULTIPLE CHOICE QUESTION
Which statement best describes the
location of Australia?:
Southern & Western Hemispheres
Northern & Western Hemispheres
Southern & Eastern Hemispheres
Northern & Eastern Hemisphere. (Please I only have two minutes to answer)?
Answer:
south eastern hemisphere
Explanation:
it's found on easternmost and southernmost side of asia although it's called oceania it's generally south east
how long does it take for a cockatiel egg to hatch
Answer:
18-23 days
Explanation:
18-23 days
18-23 days
18-23 days
18-23 days
18-23 days
18-23 days
Answer :
Incubation is 18 days from the time cockatiels sit in earnest, therefore, count a few extra days if sitting is delayed. Allow the female to abandon the eggs of her own accord rather than removing them even if incubation time is over, because your cockatiel will only lay additional eggs if she reacts to their absence.
Explanation:
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the lysosomal enzymes show optimal activity in ------------ph.
the lysosomal enzymes show optimal activity in White blood cells