Which of the following human activities resulted in the growth of the north american deer population?

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

What is the most appropriate method of gaining weight (muscle mass)