Identify the role gravity does not play in the biogeochemical cycles on Earth. A. pulls nutrients from the atmosphere through precipitation

B. allows Earth’s crust to absorb nutrients from decaying organisms

C. heat from Earth’s core pushes nutrients up to the surface

D. holds the atmosphere to the surface for gas exchange

Look at the picture below . what does this picture represent ?

2. what process do mrna and trna work together to complete? (3 points)

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3