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Tpy6a [65]
3 years ago
15

A scientist performs a controlled experiment. this means that select one:

Biology
2 answers:
musickatia [10]3 years ago
7 0

Answer: d. One experiment is performed, but the scientist control the variable.

Explanation:

In the controlled experiment the independent variable is changed in an orderly manner so that accurate changes can be observed on the dependent variable. Also in this a controlled group is also used for comparision with the changes in other variables.

andrezito [222]3 years ago
5 0
D. one experiment is performed but the scientists control the variables
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Explanation:

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<em>to fulfil it's functional necessities keratin has characteristics that makes it insoluble and repellent to damage.</em>

<em>to fulfil it's functional necessities keratin has characteristics that makes it insoluble and repellent to damage.in the human body, keratin can be present in - hair and finger nails. </em>

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2 years ago
19. Photosynthesis and cellular respiration are related
Simora [160]

Answer:

Photosynthesis and cellular respiration are related  processes. What do these processes have in common?

From the reaction by photosynthesis, it produces what respiration uses in its own reaction.

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Explanation:

8 0
3 years ago
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7 0
3 years ago
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bija089 [108]

Answer:

B

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pochemuha
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