Answer:
the sun
Explanation:
the sun gives us light to see other objects in space
Sometimes the moon looks like a crescent. At other times, the moon looks like a half circle. the sun makes it possible to see the surface of the moon from Earth as sun gives us light to see other objects in space
what are the features of sun ?
The Sun is the largest object in our solar system, where its volume would need 1.3 million Earths to fill it whereas gravity holds the solar system keeping everything from the biggest planets to the smallest debris.
The core is the hottest part of the Sun where the temperatures 27 million degrees Fahrenheit and its from its powerful eruptions to the steady stream of charged particles influences the nature of space throughout the solar system.
it consist about 70% hydrogen and 28% helium by mass, the outer layers of the Sun exhibit differential rotation like at the equator the surface rotates once every 25.4 days where as near the poles it’s about 36 days.
the Sun is not a solid body like the Earth, the Sun’s core The temperature is 15.6 million Kelvin and the pressure is 250 billion atmospheres and the Sun’s density is more than 150 times that of water.
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Which region would likely have the greatest amount of biodiversity?
OA
B.
a mountainous region with two ecosystems, each of which supports a few different species
a grassland region with one ecosystem, which supports very large populations of a few different species
a coastal region with three ecosystems, each of which supports many different species
a cave region with one ecosystem, which supports small populations of many different species
D.
Answer:
A
Explanation:
A coastal region with three ecosystems, each of which supports many different species likely to have the greatest amount of biodiversity. The correct option is C.
The highest level of biodiversity would probably be found in a coastal area with three different habitats.
Because there are so many different habitats and ecological niches along the coast, there is frequently a high biodiversity there.
Sand beaches, rocky shorelines, coral reefs, mangrove forests, and salt marshes are just a few examples of the diverse environmental conditions that can be found in a coastal region due to the interaction of marine, estuarine, and terrestrial ecosystems.
There is a larger total species variety because various species are supported by each ecosystem and are adapted to their own habitats and environmental variables.
Additionally, because they produce intricate and interconnected ecological networks, interactions between different habitats further improve biodiversity.
Thus, the correct option is C.
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Your question seems incomplete, the probable complete question is:
Which region would likely have the greatest amount of biodiversity?
A. a mountainous region with two ecosystems, each of which supports a few different species
B. a grassland region with one ecosystem, which supports very large populations of a few different species
C. a coastal region with three ecosystems, each of which supports many different species
D. a cave region with one ecosystem, which supports small populations of many different species
Do you think it would be possible to construct a pyramid where the number of carnivores was more than the number of herbivores? Why or why not?
Do you think it would be possible to construct a pyramid where the biomass of carnivores was more than the biomass of herbivores? How does this compare to a numbers pyramid.
Please help!
Answer:
Explanation:
Pyramid is the use of graph to represents the flow of energy in each trophic level. There are five trophic level and each has its own energy level pyramid help to show the energy at each level.
Each energy level must have at least One tenth of the energy level of the organisms before itself, this indicates that the energy in the lower tropic level is higher than the trophic level above.
Hence, carnivores cannot be more than herbivores in a biomass they need enough of herbivores to survive in the biomass as the energy level moves from the herbivores to the carnivores.
Which of the following statements would best describe Pseudacris crucifer?
A. larger than 1.5 inches, larger than 6 inches, warts, X-shaped mark on back
B. larger than 1.5 inches, smaller than 6 inches, warts, no triangular mark on head, X-shaped mark on back
C. smaller than 1.5 inches, warts, triangle between the eyes, stripe on back from head to tail
D. larger than 1.5 inches, smaller than 6 inches, smooth skin, triangle between the eyes
Answer:
The answer is B
Explanation:
I had this on study island.
Answer: Option D: larger than 1.5 inches, smaller than 6 inches, warts, no triangular mark on head, X-shaped mark on back
Explanation: Pseudacris crucifer is the last species of frog in the key. Therefore, one must work backwards through the entire key to determine Pseudacris crucifer's characteristics.The only way to get to step #5, where the frog was identified as Pseudacris crucifer, was to determine in step #4 that the frog had no triangular mark on its head.To get to step #4, the frog must not have had smooth skin. In order to get to step #3, our frog must have been smaller than 6 inches.Although we could have arrived at step 3 whether the frog was larger or smaller than 1.5 inches, the only answer choice provided that correctly listed the other characteristics of Pseudacris crucifer is : larger than 1.5 inches, smaller than 6 inches, warts, no triangular mark on head, X-shaped mark on back.
Imagine an object launched from Earth as shown in the image. Identify where the object has overcome the gravitational pull of Earth.
Answer:
the object defeats the force of gravity on the arrows on the left where they do not follow the circumference of the earth.
since the force of gravity makes the objects keep rotating near or even on the Earth's surface.
If any object overcomes this force, it will not rotate on the surface of the earth and will not be attracted to the center
Explanation:
this is because the center of the earth works as if it were a magnetic pole that attracts everything close to the earth to its center, if something deviates as in the arrows on the left, it means that the force of attraction towards the center or force of gravity does not act on the objective as it must have a force applied or of its own greater than that written
Answer:
the 2 top left
Explanation:
the 2 top left
According to the theory of natural selection, organisms that possess variations best suited for an environment are
a. more likely to survive and reproduce
b. less likely to survive and reproduce
c. without an advantage compared to other organisms in the population
d. more likely to go extinct
Answer:
The answer is A
Explanation:
Since their variations are best suited for the environment, they have a higher chance of surviving.
Can someone please help?? Most of the eastern United States is a _____ biome.
Answer:
eco biome
Explanation:
Answer:
Most of the eastern United States is a TROPICAL RAINFOREST bione
Explanation:
A. A scientific theory is an explanation of some aspect of the natural world. B. Theories have been thoroughly tested and are supported by multiple lines of evidence. C. A scientific theory may be modified as new lines of evidence become apparent. D. Scientific theories are concise, systematic, predictive, and broadly applicable. E. Scientific theories often integrate and generalize many hypotheses. Neil deGrasse Tyson once commented: "Some claim evolution is just a theory, as if it was merely an opinion." He went on to explain why a scientific theory, like evolution, is NOT just an opinion. Select which points he included in his argument? A) A, B, E B) A, B, D, E C) A, B, C, E D) A, B, C, D, E
Answer:
D) A, B, C, D, E
Explanation:
These are all important factors to consider when judging scientific theories. A scientific theory is not merely an inclination or vague idea a scientist has. Instead, a scientific theory is an explanation that is given to a broad range of phenomena. Scientific theories tend to be concise, coherent, systematic and predictive. However, they also admit modification as new evidence becomes apparent.
List three particles found in blood plasma and give their main purpose.
Answer:
Blood plasma is a 'yellowish liquid' component of blood that holds the blood cells in whole blood in suspension. It is the liquid part of the blood that carries cells and proteins throughout the body. It makes up about 55% of the body's total blood volume. It is the intravascular fluid part of extracellular fluid. It is mostly water, and contains important dissolved proteins, glucose, clotting factors, electrolytes, hormones, carbon dioxide, and oxygen. It plays a vital role in an intravascular osmotic effect that keeps electrolyte concentration balanced and protects the body from infection and other blood disorders.
How does a molecular compound compare to the elements that make up the compound?
Answer:
The only difference between a molecular compound and an element is that in an element all the molecules are the same, but in a molecular compound there are different types of elements that make up the compound.
So an element is something you find on the periodic table, a molecular compound is created using different types of elements.
1. form and structure of an organism or any of its parts morphology
2. the splitting of a lineage into separate and distinct species speciation
3. group of related organisms that share features and characteristics species
4. small or underdeveloped vestigial
Answer:
1) morphology
2) speciation
3) species
4) vestigal
Explanation:
Morphology is the study of forms or the physical appearance of organisms.
Speciation is the splitting of lineage into distinct species capable of interbreeding and producing fertile offspring.
Species is a group of organisms that are genetically related and share features and characteristics. They are capable of interbreeding and produce live offsprings.
Vestigal organs are organs that have lost their function over time, they are usually small and underdeveloped. Example is the human tail bone.
14)
You have been collecting data to determine the average monthly temperature for a particular year. You have 30 samples recorded in degrees Celsius each month. You want to show temperature trends over the entire year. What would be the BEST way to represent your data to illustrate the average temperature for each month?
Answer:
A line graph to represent all the data collected
Answer: For anyone else who needs this, the answer is 5.
What advantage does a crop that undergoes vegetative reproduction have over plants that start from the seed? 1Points A They store nutrients. B They can travel farther. C They experience more genetic variation. D They only occur in high-resource environments.
In vegetative reproduction, new plants are easily produced and grow faster in many environments, the correct option is B: they can travel farther.
Definition of vegetative reproductionVegetative reproduction is a form of reproduction in plants in which a vegetative part of the plant such as stem, leaves and roots are used to produce new plants rather than seeds or spores.
Advantages of vegetative reproductionThe advantages of vegetative reproduction include:
the new plants contain the genetic material of only one parent, therefore, they resemble the original parent.it is an easier, cheaper and faster method of reproductiontwo parents are not requiredit does not require a high-resource environmentTherefore, since new plants are easily produced and grow faster in many environments, the correct option is B: they can travel farther.
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A boy sits in the shade under a tree, reading a book. He looks up into the sunny sky at an aero plane. which of the following changes will take place in his eyes?
Answer:
When he looks it will become blurry for a few seconds then it will become normal
Explanation:
La presencia de un núcleo organizado en el interior de la célula es característica de: a)celula procarionte b) celula eucarionte c) las bacterias d) los virus
Answer:
Translation- The presence of an organized nucleus inside the cell is characteristic of: a) prokaryotic cell b) eukaryotic cell c) bacteria d) viruses
Explanation:
Eukaryotic.These organim including man, are characterised with a double membrane nucleus, with all its inclusions. Other organisms lack a well organized membrane bounded nucleus. Rather they have orgellells that perform nearly similar functions close to the nucleus lying freely in the cytoplasm.
Nucleus is the control and coordinating centre of the cell.Genetic materials needed for instructions on how to produce other cells organelles are present in the nucleus.
Bacteria, Prokarotes contain Nucleoid, which is just an irregularly shape region, lacking nuclear membrane.
Viruses lack Nucleus.
The location of plate boundaries is most helpful in predicting the location of
Answer:
The movement and interaction of tectonic plates helps to explain many of Earth's features. Interpret data showing topography, the age of the sea floor, the location of volcanoes, and the location of earthquakes to predict the location and type of plate boundaries in a region.
Explanation:
Nearsightedness and farsightedness are caused by what ?
EXTRA POINTS IF YOU ANSWER
Answer: Nearsightedness, Farsightedness and Astigmatism. Nearsightedness (myopia) is a very common condition in which the light coming into the eye is not focused properly onto the retina, making it difficult to see objects far away. The condition is usually caused by an elongation of the eyeball that occurs over time.
Explanation:
What problems can occur while your immune system fights the corona virus?
plz help me ASAP
What type of ecological internal interactions exist between the hawk in the mole
Answer:predation
Explanation:
Answer: CORRECT (SELECTED)
Predation
Explanation:
The hawk (predator) consumes the mole (prey).
The bunnies in a forest have different colored fur at different times of the year. The bunnies you see have brown fur in the fall. The bunnies you see in winter have white fur. What is this an example of?
a. Evolution
b. Artificial Selection
c. Natural Selection
d. Selective Breeding
Answer: A) Evolution or B) Natural Selection
Explanation: The fur of these bunnies change color with the seasons in order to better blend into their environment. This is an example of a species evolving to better survive!
However, this could also happen as a result of natural selection. Those who were able to better survive would pass on their genes for fur that changes with the seasons.
Select all the correct answers.
Nathan is an ecologist. He’s studying the effect of secondary consumers on primary consumers. His current research focuses on a population of blue jays and crows. They eat caterpillars and mice. If the number of blue jays increases, what are the likely effects on other populations?
The number of crows will increase.
The number of mice will decrease.
The number of mice will remain the same.
The number of caterpillars will decrease.
Answer:
I would say that "The number of mice will decrease.' is a valid answer choice along with "The number of caterpillars will decrease."
Explanation:
The more predators there is the less prey will be as the continue to eat.
Answer:
the number of mice will decrease
Explanation:
Which is a specialized feeding structure found in some mollusks?
mantle
radula
tube foot
spine
Answer:
radula
Explanation:
Answer:
radula
Explanation:
hope it helps
What is the best method to increase the accuracy of the parallax measurement of star distances?
keep a record of the observations and do not repeat them
take observations simultaneously with different instruments
keep a gap of about six months between two observations
take observations from two points which are very close to each other
Answer:
C.
Explanation:
Parallax method is used to measure the distance of nearby objects in space or measurement of star distances. Parallax method uses the measurement of movement of star's against starts at far points as Earth revolves around the sun.
To improve the accurate measurement of star distances through parallax method, a gap of about six months between two observations.
In the parallax measurement, two angles are measured and it includes Earth on one side of its orbit, Earth six months later on the other side of its orbit and side of a triangle formed by the star. This six month gap ensures that measurement of stars is taken from two farthest points which gives a large arc length.
As parallax is based on geometry so, it ensure that the large arc length will reduce the error in the measurement of the angle and the distance will be accurate.
Hence, the correct answer is C.
Answer:
c
Explanation:
1. What is the first step of protein synthesis?
Answer:
The first step in protein synthesis is the transcription of mRNA from a DNA gene in the nucleus. At some other prior time, the various other types of RNA have been synthesized using the appropriate DNA. The RNAs migrate from the nucleus into the cytoplasm.
Explanation:
Hope this helps : )
Which of the following statements is true?
Insects go through a larval stage.
Young amphibians do not look like their parents.
Animal cells do not have cell walls or chloroplasts.
All of the above.
None of the above.
Answer:
All of the above.
Explanation:
Devegetation affected a number of nutrient reservoirs and processes in the experimental watershed. Note that the rate of decomposition was not affected by devegetation because the decomposers were not affected by the treatments and because the plant remains contributed plenty of organic nutrients to the soil to sustain decomposition for the duration of the experiment. Drag the labels to indicate the change in the size of the reservoir or the change in the rate of the process as a result of devegetation. Labels may be used once, more than once, or not at all.
Answer:
Devegetation affect the nutrient reservoir and watershed due to not using of nutrient and increases soil erosion.
Explanation:
Devegetation refers to no vegetation on a piece of land. If there is no vegetation present on land, the nutrient reservoir remain full because no plant is available for the absorption of nutrients from the reservoir. Devegetation also affect water quality of watershed. Erosion is the main problem of those areas where there is no vegetation and the upper layer of soil is washed by the rainfall.
Which resources does the National Park Service manage? Check all that apply.
Answer:
Seashores, wildlife refuges, ecosystems, and endangered species.
OR
Preservation and recreation
It depends on what options you have.
I hope this helps!
Farmers in a suburban coastal town started using no-till agriculture during
Answer:
During the 20th century.
Explanation:
Non till farming is an agricultural method of farming or growing crops without tillage or tilling the soil. It decreases soul erosion and it increases water infiltration into the soil, retention of organic matter and nutrients cycling.
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What term refers to water that goes down the drain in your sink and shower or washing machine?
A) contaminants
B) wastewater
Answer:
B) wastewater
Explanation:
all the waste water that goes down our sinks, out of the shower, from our washing machines and even from our toilets. Blackwater – waste water that comes from our toilets. Greywater – waste water that comes from our sinks, laundries, showers and baths.
When you stop, the water should start swirling down in a tornado-shaped funnel.
What motion is similar to this step?
a.
a bathtub drain
c.
neither of these
b.
radiator fluid through a funnel
d.
both A and B
Please select the best answer from the choices provided
A
B
C
D
Answer:
I'm confident that the answer would be
D - both A and B
;)
Explanation:
big brain
Answer:
D
Explanation:
took the test
Is asking two more squirrels live in Maple trees are all trees a scientific question why or why not
Sergei's question is a scientific question because it is based on observations and could be answered through an investigation. His question has a narrow focus, addresses a gap in his knowledge, and may lead to a hypothesis that can be tested.