Exchange cast fossils with another group. Make inferences about the items used to make their cost fossils, and explain your reasoning.

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

Why would a drug the damages capsids treat a viral infection

What enzyme is most important for dna replication and why?