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Katyanochek1 [597]
3 years ago
8

Could earths first atmosphere have supported the lives of humans and other living things of today?

Biology
1 answer:
Elden [556K]3 years ago
5 0

Answer:  D is you answer.

Explanation:  Because earth first atmosphere had very little oxygen to support life.

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Isometric exercise strengthens muscles without __________. A. contracting muscle fibers B. changing muscle length C. burning cal
mariarad [96]

Answer:

B. Changing muscle length.

Explanation:

Isometric exercises are stationary/static forms of exercise. They include contractions of the muscle without the movement of the affected joints. There is no change in length of the muscles since the joints are static.

This exercise is best fitted for strength maintenance. Examples include squatting,prayer and yoga pose etc.

3 0
3 years ago
A mouse running away from the sound of an owl's wings is an<br> example of the mouse's ability to
uysha [10]

Answer:

hear

Explanation:

6 0
3 years ago
PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B
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From the TOP TO BOTTOM it is tertiary 1  

                                                   secondary 10

                                                     primary 90

                                                   Producers 100

Explanation:

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3 years ago
I only have 5 minutes!!!!! Help no websites help me ASAP fill in the blank and don’t answer it if you don’t now
kaheart [24]

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3 years ago
Over a period of two generations, the frequency of green dung beetles in a population shifts from 75% to 71% while the frequency
tekilochka [14]
This is an example of microevolution.

Microevolution
represents a small change in the genetic structure of the population. These changes manifest through the change in the allele frequencies of genes like in the case of dung beetles.
The causes of microevolution are evolutionary mechanisms, natural selection, genetic drift, mutations and gene flow.
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3 years ago
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