The theory that explains how large pieces of the earth’s crust move and change shapes
extinct
fossil
relative dating
plate tectonics
geologic time scale

When water freezes, it . contracts expands

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

The first amino acid of a new polypeptide chain is