If Tt = thick hair, which is the phenotype? Group of answer choices

Tt

regular hair

thick hair

thin hair

Why should the united state be concerned about air pollution in china?

Models are non-visual ways of coummincating how someone thinks about something in the natural world

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent