Theories are generally accepted if:

two or more scientists find them to be true

proven beyond a reasonable doubt

published in a textbook

they are backed by one experiment

Which event would lead to primary succession of a forest?

What happens when two nitrogen atoms share electrons

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate