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kenny6666 [7]
3 years ago
7

Please help me... I really need help I mark brainlest if CORRECT

Biology
2 answers:
Liono4ka [1.6K]3 years ago
8 0

Answer: The biosphere is made up of the parts of Earth where life exists

Explanation:

jarptica [38.1K]3 years ago
4 0

Answer:

The biosphere is made up of the parts of Earth where life exists.

They are composed of living organisms and the abiotic  factors

Explanation:

So B is correct :)

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What is a possible eDuring exercise, sensory receptors detect changes in oxygen and carbon dioxide levels in the blood. This inf
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Answer:

Exercise is important for the body to function properly.

Explanation:

Exercise helps a person to maintain the oxygen amounts in the body. Exercise, as such, enhances and regulates almost every system of the body including the nervous, respiratory, circulatory and hormonal systems.

The sympathetic division of the autonomic nervous system controls the physical activities in a person's body by detecting the low levels of oxygen and increasing amounts of carbon dioxide in the body.

3 0
3 years ago
Name the main chemical responsible for pollen tube growth
BabaBlast [244]

Answer:

Explanation:

Pollen tubes are produced by the male gametophytes of seed plants. Pollen tubes act as conduits to transport the male gamete cells from the pollen grain—either from the stigma (in flowering plants) to the ovules at the base of the pistil or directly through ovule tissue in some gymnosperms.

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3 years ago
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Which of the following is not a reason we become shorter as we age?
Lady_Fox [76]

Answer:

The correct answer is - As a person ages, scoliosis may develop resulting in an abnormal spinal curvature and shorter stature.

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This affects the stature of an individual but not affected by age as it remains constant normally after development or growth till puberty. All other conditions are associated with the short stature and influenced by the age.

3 0
2 years ago
How did the invention of synthesized ammonium affect humanity?
Sauron [17]
Ammonia synthesis exponentially increased harvests and will continue to do so for years to come. His invention is credited with saving millions of lives and will probably save billions more.
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Use the image on the right to answer the following questions. Compared to the outside of the cell, the inside of the cell is .
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Answer:

the cell is  

✔ hypertonic

Explanation:

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3 years ago
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