Which of these following correctly describes a way in which earth’s atmosphere interacts with the hydrosphere?

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

Describe the two types of vascular tissue

Which step is not included in the step approach to calculating the greatest common divisor?