Answer:
okay
Explanation:
1. When different forces have the same magnitude but go in oppisate direction
2.oppisate direction
3. speed and time
When you ice skate, the heat generated by the blade of the skate rubbing against the ice causes some of the ice right under the blade to melt. This water acts like a lubricant under the skate that allows the skate to slide.What causes the ice to melt under the blade?
A) weight
B) friction
C) magnetic energy
D) electromagnetic energy
Answer:
Friction
Explanation:
When an object comes into contact with another object, friction is created, some objects have lower or higher friction when they meet each other, tires and the road for instance. Wheels are designed to lower friction, just as an ice skate is made to glide across the ice.
What observations made by Galileo supported Copernicus’ theory about the solar system?
He observed the phases of Venus
Galileo knew about and had accepted Copernicus's heliocentric (Sun-centered) theory. It was Galileo's observations of Venus that proved the theory. Using his telescope, Galileo found that Venus went through phases, just like our Moon.
hope this helps
Fitness is how many offspring they have. The example used in the video
is white frogs are more fit than dark frogs.
A. True
B. False
Fitness is how many kids they have. The example used in the video is white frogs are fitter than dark frogs. it's false.
White frogs are fitter than dark frogsThe color of the shoe is not a predisposing factor in altering the speed exerted by its user, however factors in a shoe that can change the speed of the runner are damping, comfort and springs.
With this information, we can conclude that Fitness is how many kids they have. The example used in the video is white frogs are fitter than dark frogs. it's false.
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Selection that acts over evolutionary time to preserve traits that increase an individual's ability to mate is known as __________.
The selection that acts over evolutionary time to preserve traits that increase an individual's ability to mate is known as se_xual selection.
What is se_xual selection?The expression 'se_xual selection' makes reference to the type of evolutionary constraint on the individual's ability to mate.
Se_xual selection is fundamental to increase the genetic variation and thus enhance adaptive chances.
Se_xual selection can be considered a special type of natural selection that acts at an individual level.
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what causes species to die?
Answer:
Environmental causes such as habitat fragmentation, climate change, natural disasters, human overexploitation, and pollution, or evolutionary changes in its members (genetic inbreeding, poor reproduction, decline in population numbers).
Name any four source of carbon
There are many different sources of carbon!
Some of the following can be of those sources:
Fossil fuel
Carbon dioxide
Natural gas
Coal gases
Petroleum
There are others but I hope this is enough. Good luck! :)
A beetle species that lives deep inside trees invades a forest where a population of woodpeckers lives. Only woodpeckers with longer beaks are able to reach these beetles and feed on them. The shorter-beaked woodpeckers are at a disadvantage over the longer-beaked ones.
Which type of pattern of natural selection of woodpeckers is most likely to occur in this scenario?
Answer:
Mountain Pine Beetle.
They only attack in Douglas Fir Trees.
If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to.
If, while examining a human karyotype, it is observed that there are 22 paired chromosomes and two chromosomes that are not the same size, this would most likely be due to mutation.
What is mutation?Mutation is any change in the nucleotide or chromosomal sequence of a genome.
There are different types of mutation and they include;
Deletion mutationTranslocation mutationInsertion mutationAccording to this question, a human karyotype was observed to have 22 paired chromosomes and two chromosomes that are not the same size.
This observation is likely caused by a mutation that caused the pairing of unequal sized chromosomes.
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Which of the following pairs of structure are homologous?.
The wings of grasshopper is not an Homologous structure.
What is Homologous structure?Homologous structures are structures that have the same fundamental basic structure similar that are found in the same organisms who have the same ancesto. Examples include The forelimbs of frog, human, reptile and feathered creatures.
Therefore, the Wings of Grasshopper and forelimbs of Flying Squirrel'. are homologous structures.
The question is incomplete here are the options from another website.
the Wings of Grasshopper forelimbs of Flying Squirrel'.The tentacles of Hydra.Learn more about homologous structures here.
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A rural, forested area receives a lot of rain in a short amount of time. What would most likely cause potential flooding in the area?
The most likely cause potential flooding in the area will be saturation of the ground with water.
What is Flooding?
This is defined as a situation in which an overflow of water submerges land that is usually dry.
When the ground is already saturated with water, a forested area receiving a lot of rain in a short amount of time will lead to flooding.
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how do prokoryotes benefit animals
Answer:
They produce or process nutrients in the digestive tracts of humans and other animals.
Explanation:
Which muscle originates on the occipital bone and spines of c7-t12 and inserts on the clavicle and acromion of the scapula?.
Answer:
trapezius
Explanation:
Explain how most of the electricity consumed in the US is produced.
Will report answers with links
Please use your own words
Answer:
Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy, etc.
Explanation:
The structural and functional units of the kidney are called
Answer:
The structural and functional units of the kidney are called nephron.
Fun Facts about Nephron:
Nephron is the structural and functional unit of the kidney.
Its primary purpose is to maintain the concentration of water and soluble chemicals such as sodium salts in the blood by filtering it, reabsorbing what is needed, and excreting the excess as urine.
The glomerulus and renal (kidney) tubule are the two primary structures in each nephron. Each human kidney contains around 1,000,000 nephrons.
The structural and functional units of the kidney are called the nephrons. Each human kidney contains 8-10 lakhs nephrons.
What do you mean by Kidney?A Kidney may be defined as a pair of bean-shaped organs that eliminate waste and extra water from the blood and help keep chemicals balanced in the body.
Each nephron contains two structures i.e. Glomerulus and Tubules. The Glomerulus is a tough capillary through which a large amount of fluid is filtered from the blood.
Tubules are the other structure of the nephron in which the filtered fluid is converted into the urine.
Therefore, the structural and functional units of the kidney are called nephrons.
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Who developed a system for naming and classifying organisms that is still used today?.
Answer: Carolus Linnaeus
Explanation:
Carlos Linnaeus created the binomial nomenclature system which gives scientific names to animals. Their genus and species is what classifies organisms.
Linnaeus also created the taxonomic system, which classifies organisms within different groups and subsets.
hope this helped! ♡
Photosynthesis ceases when leaves wilt, mainly because:.
Photosynthesis ceases when leaves wilt, mainly because stomata close, preventing CO2 from entering the leaf.
What is photosynthesis?Photosynthesis is a series of chemical reactions by which plants can produce simple carbohydrates in presence of light.
Photosynthesis requires carbon dioxide and light to produce glucose and release oxygen.
In plants, the interchange of carbon dioxide and oxygen during photosynthesis occurs in specialized structures called stomata.
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Which of the following best explains why deforestation increases the risk of floods in an area? a. Tree leaves catch and retain rain water. B. Trees block the free flow of water. C. Deforestation increases precipitation. D. Tree roots improve soil water retention. Please select the best answer from the choices provided A B C D.
Deforestation increases the risk of floods in an area tree roots improve soil water retention.
Why does deforestation result in higher flood risk?When deforestation takes place, the top layer of soil can be dislodged – this is also known as soil erosion.
When the top layer of soil is unstable, it is unable to retain any of the water that falls on it, resulting in increased surface run-off, which, in turn, increases the risk of flooding.
Thus, option "D" is correct.
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please answer this correctly I will brainlist u
as a student , what can you do to protect the soil and water from being polluted ?
What is the difference between Junior planets and Terrestia planets? Which group is closest to the sun?
Answer:
Terrestrial planets include: Mercury, Venus, Earth, and Mars (in order from closest to the sun to farthest from the sun)
Jovian planets include: Jupiter, Saturn, Uranus, and Neptune (in order from closest to the sun to farthest from the sun)
Explanation:
Terrestrial planets have solid surfaces (usually rocky) with a dense metallic core, while Jovian planets are gas giants, meaning that they have no solid surface. Jovian Planets have a large gaseous composition and a small, molten rock core.
Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
I hope this helped <3
what are the three types of fermantation
Answer:
Lactic acid fermentation.
Yeast strains and bacteria convert starches or sugars into lactic acid, requiring no heat in preparation.
Ethanol fermentation/alcohol fermentation.
Acetic acid fermentation.
Explanation:
hope it helps
helppppppp I dont take links
Answer: Warm air rises and causes high air pressure. Cold air stays closer to earth and causes low air pressure which is known as low pressure. When there is a low-pressure system in the area- In contrast, a high-pressure system allows for rain clouds "I believe since water vapor is formed when water is heated and it can form when something heats".
The rest are taken, and I can't answer them because of the shortage and they dont make sense :(
Explanation: I'm sorry if im wrong, I'm just trying to be helpful.
Plants help the environment by supplying ________.
Answer:
oxygen
Explanation:
hope this helps
have a good day
What is the Cell Theory , and what is it about ?
Answer:
Basic unit of life is cells
Answer:
The Cell Theory Is a Biology Unifying Principle
Explanation:
According to the cell theory, all biological entities are made up of cells; cells are the basic unit of life, and all life originates from pre-existing life. The cell theory is now so well-established that it serves as one of biology's unifying principles.
in an ecosystem which would have a bigger population: producers or primary consumers
PLEASE HELP
Answer:
The answer would-be producers. The fact that there are primary consumers today, you would know that producers make up the bigger population. If it were smaller, the primary consumers would have eaten them all up and eventually would die out because they would have no more food source. This would be bad for all higher-level consumers.
Match each event of mitosis to the stage in which it occurs
Explanation:
their is an active cell division
an organism with two of the same alleles for a particular trait is said to be?
Answer:
An Organism with two similar alleles is a Hom ozygous organism.
Hwo many chromatids does each chromosome have in anaphase of meiosis i
Answer:
two sister chromatids
Explanation:
There are two sister chromatids that each chromosome have in the Anaphase of meiosis I.
What do you mean by Chromatids?Chromatids may be defined as one of the two similar halves of a chromosome that has been duplicated in preparation for cell division.
During Meiosis I, each of the daughter cells is haploid (n) in nature and consists of 23 chromosomes. Each chromosome comprises of 2 sister chromatids.
Therefore, there are two sister chromatids that each chromosome have in the Anaphase of meiosis I.
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What characteristic of the genetic code points to a common ancestry for all organisms?
Answer:
The code contains 64 codons. The genetic code is almost universal.All living organisms store their genetic informations using the same molecules which are DNA and RNA
Explanation:
Secretions from the liver and the pancreas get mixed with food here. By the time food leaves this organ, the process of digestion is complete. Which organ are we talking about?
A small segment of DNA has the following nitrogen base sequence:
DNA=TAC CCT ACC ATT
Answer:
RNA=AUG GGA UGG UAA
- only assuming because you didn't finish the question
Explanation:
A-->U, T-->A, C-->G, G-->C