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riadik2000 [5.3K]
1 year ago
13

What would be the answers for 33-34?

Biology
1 answer:
RUDIKE [14]1 year ago
6 0

Answer:

chromosome

or venue mutations

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If you answer right I will give you the brainiest!!!!!
gtnhenbr [62]

Answer:

The second one

Explanation:

The rest don’t really make sense in This case

7 0
3 years ago
When you are breathing normally, exhalation results mainly from?
V125BC [204]
exhalation results mainly from our brain telling our lungs the exhale the Co2 and add more oxygen in our lungs.
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2 years ago
Tar contained in tobacco smoke is harmful to the lungs because it
Oksana_A [137]
The answer is = a stimulant
5 0
2 years ago
Natural selection story
svetlana [45]

Natural Selection Theory: The Natural Selection Theory is given by Charles Darwin. There are 3 principles of Natural Selection Theory

Variation, Heredity, Selection.

Explanation:

Natural Selection is the cause of evolution. The adaptation to the environment is the key to survival according to Charles Darwin.

The story behind Natural Selection is his visit to Galapagos Islands in 1835. Here he noticed the finches of different varieties in their beaks and food sources adapted to different environments i.e from different islands. This pushed him to think about those adaptations and eventually theory of natural selection.

3 0
3 years ago
What is the first step in triggering a change in membrane potential?
Sophie [7]

Answer:

The membrane potential is maintained in the cell due to the unequal distribution of the ions inside and outside of the cell. This membrane potential is important for the conduction of the nerve impulse.

The arrival of the stimulus triggers the action potential. The resting membrane potential is -70mV. This is maintained by the presence of potassium ions. The influx of the sodium ions result in the change in the membrane potential from -70mV to +30mV.

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2 years ago
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