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gogolik [260]
3 years ago
5

Which statement best describes echolocation in dolphins?

Biology
2 answers:
Anna71 [15]3 years ago
6 0
I believe that the correct answer is B
Kaylis [27]3 years ago
5 0

The right option is; b) Echolocation helps dolphins find food and avoid predators.

Echolocation is a physiological process by which several kinds of animals (such as dolphins and bats) use sound waves and echoes to determine the location of objects in space. Dolphins have the ability to use echolocation and their normal sight to determine some information such as the distance, speed, size and structure of objects in the water around them. This information helps dolphins find food and avoid predators in their environment.

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protiens

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If a sample originally had 120 Adams of carbon 14 how many atoms will remain after 17,190 years
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Answer:

15 atoms

Explanation:

About 15 atoms out of the 120 Adams would remain.

<em>Generally, the half-life of a substance is the time it takes for one-half of that substance to disintegrate.</em>

Carbon 14 has a half-life of approximately 5,730 years. 17,190 years means that the sample had stayed for 17,190/5,730 which is equal to 3 carbon-14 half-lives.

Out of 120 Adams,

  • <em>the first half-life will reduce 120 to 60 Adams</em>
  • <em>the second half-life will reduce 60 Adams to 30 Adams</em>
  • <em>the third half-life will reduce 30 Adams to 15 Adams.</em>

<em>Hence, at the end of the 17,190 years, approximately </em><em>15 Adams</em><em> would remain.</em>

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3 years ago
Help i don’t know which one it is
Lorico [155]

I'm pretty sure its d since the higher the object is the higher its potential energy is

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17. After a person recovers from the chickenpox, the virus can lie dormant in the dorsal root ganglion in mutiple levels of the
lions [1.4K]

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Yes, it is possible to get shingles more than once.

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If shingles comes back, it may occur on another side of the body. This is because, once you have had chicken pox, the virus remains in the nerve. When the virus then reactivates the infected nerves become inflamed and when the virus reaches the skin, the rash appears.

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the Giant impact hypothesis formed when an object smashed into early Earth.

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