Red blood cells are able to maintain homeostasis because they are bathed in blood, which is isotonic <span>to the fluid in the cells themselves.
</span>A solution is said to be isotonic when its effective osmole<span> concentration is the same as that of another solution.</span>
Answer:
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.
Explanation:
The answer is D. Sedimentary rock takes millions of years to form since sedimentary rock is formed by sand cementing together over long periods of time.
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