All of the matter that was on Earth since it first formed, is still here today, just changed and recycled throughout time.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Witch theory suggests all living things are made up of cell or cells