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notka56 [123]
3 years ago
9

Which of the following is not a fossil?

Biology
1 answer:
riadik2000 [5.3K]3 years ago
7 0
The deer tracks in mud cant be a fossil it is not old enough or encased in a capsule of dirt to be aged 
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Which of the following experiments would be considered unethical?
sveticcg [70]

Answer:

C. Taking blood samples from patients for research purposes

without consent

Explanation:

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It depends on the definition of unethical being used, however I think I am right. I'm in AP bio currently. Let me know what the answer is :)

3 0
3 years ago
Select all that apply. Which of the following are not properties of enzymes
AlladinOne [14]
Enzymes are proteins that are biological catalysts

They reduce the activation energy required for a reaction to occur and thus speed up a reaction

Temperature, above a certain point (optimum temperature) causes them to break down and they are gradually destroyed (denaturing)

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They aren't used in the reaction so they're re-usable.

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3 years ago
The bald eagle was put on the endangered species list because of the effects of ddt? True or false
shtirl [24]
That would be true ;)
4 0
3 years ago
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Which of the following is an output of photosynthesis? a. oxygen b. carbon dioxide c. water d. nutrients Please select the best
Agata [3.3K]

Carbon dioxide because every other option requires an input.

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13.<br> A glucose<br> B carbon dioxide<br> C oxygen<br> D DNA
olga nikolaevna [1]

Answer:

B carbon dioxide

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