What 2 things does moisture form in thunderstorms, rain and what?

An easy way to calculate the amount of energy available at each level is to what?

What is the correct trna sequence that would match the following mrna sequence. gcgaua

Choose the best definition of allele. a. one of several possible versions of a gene, which each produce a different phenotype b. an organism that's purebred for a given trait c. the process of fertilizing a plant with pollen from another plant d. a set of genes that are located on the same chromosome and so are tightly linked