What did the Na (sodium atom) give to CI (chlorine atom)?
one electron
one proton
one neutron

Dna is the genetic material that makes up living things, and folic acid plays an important role in the information of dna. jon wants to study the effect of folic acid on dna formation in microbes. which statement accurately describes the variables in this study

What does gradualism and punctuated equilibrium have in common

When analyzing tree rings, what do scientists assume a thin ring indicates?