are within the inner membrane of the mitochondria and increase its ability to create ATP. Cristae Flagella Ribosomes Nuclei

x would be the most and the least would be y because there are more fruit   and seeds than flock z has insects

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.

i think the answer is composed of atoms