Answer:
b
Explanation:
hope this helps if im right pls give brainliest
<span>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.
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Diatoms have cell walls composed of silicon dioxide.
A. silicon dioxide.
If I know the delta u are talking about , it is a mathematical meaning . Both meaning begin with a D just like the Greek letter , which should help u remember
It has to be confirmed through scientific tests in a lab.
