The answer is D, carbon dioxide, because carbon dioxide is used in photosynthesis. The answer is not b, glucose, because the end product of photosynthesis is glucose.
<span>A gamete needs only half the number of chromosomes because two gametes join together hope his helps you
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Viscosity refers to the speed at which a substance can flow (i.e. the thickness of the substance/its ability to flow). I think that's the closest the English language gets.
The reason they don't tan is because their melanocytes are inactive.
Hope this helps<3
