The measure of an atom’s ability to pull electrons away from another atom is called?

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

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

The basic types of tissue in the human body are