A pH of 2 Indicates ain) weak base
strong acid
weak acid
strong base
(bio chemistry)

The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?

Stem cells found adult tissue such as in bone marrow brain muscle skin and liver are only capable of what