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RUDIKE [14]
3 years ago
15

3. Sound waves bending across a lake on

Biology
2 answers:
scoray [572]3 years ago
7 0

Answer:

refraction

Explanation:

klemol [59]3 years ago
7 0

Answer:

Refraction

Explanation:

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marta [7]

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hydropower wind and bio mass

Explanation:

the government has registered them as renewable energy

8 0
3 years ago
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Evolution is the
lina2011 [118]

Answer:

Evolution is the <u>biological process</u> that happens over time in a population, giving rise to new <u>species.</u> The theory of evolution states that all organisms alive on Earth today <u>have a common ancestor</u> which lived <u>years ago</u>.

Explanation:

Evolution is one of the fundamental reason of diverse life on Earth today. Principally, this process takes place by changes in genetic elements via mutations and crossing-over. The positive changes (mutations) allow the organism to develop better condition in order to survive in changing environmment. However, if the changes takes place at major scale, it also leads to the creation/development of new species. To explain this further, I have added a photograph where we can see how different organisms were evolved in the history of Earth.

5 0
3 years ago
Pure water has a pH of_ <br>a. 6 <br>b. 7 <br>c. 8 <br>d. 9​
marshall27 [118]

Answer:

It has a pH of 7, so your answer is therefore B.) 7.

8 0
3 years ago
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Why is the shape of an enzyme important?
sleet_krkn [62]

Answer:

The shape allows the enzyme to bind with a specific substrate.

Explanation:

Substrates and enzymes are like puzzle pieces. They need to be specific shapes to fit together. When they fit together, they do their job wonderfully. If they are pushed together without being the correct shape, they could be damaged.

7 0
2 years ago
What happens when scientists turn off the gene that makes beaks in birds? A) birds have a large opening where the beak should be
seropon [69]

Answer:

A) birds have a large opening where the beak should be.

Explanation:

when scientists turn off the gene that makes beaks in birds, the birds have a mouth where no teeth are present. The birds have mouth because the bird resembles and closely related to the dinosaur. There are some proteins that is responsible for the occurrence of beak but when the genes are turn off these protein stop producing that leads to turn the beak place into mouth.

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