In the chemical reaction of photosynthesis photoautotrophs combine carbon dioxide and water to produce sugar and what other product a) methane b) oxygen c) atp

answer; a male inherits only one allele of the x-linked gene controlling hair color;

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

the supermassive black hole is in the middle of the galaxy.