B or d.... hope this helps:)
The desert and tundra are alike because they both have limited available water.
You sound unsure of yourself and you list negatives (not super negative but they’re not great) attributes about yourself. try listing more positive things about yourself besides you being “bored”, “annoying”, or “lazy”. Maybe you have a hobby like drawing or playing games, add things like that
20 chromosomes because unfertilised eggs contains half the number of bodily chromosomes