<span>1. As lava cools, it begins to go in the magnetic direction of the pole. It actually has been able to show magnetic pole changes throughout history this way. 2. The youngest rocks, crust, and fossils are near the ridge. 3. True, and this is essential for the theory of plate tectonics to work.</span>
Chemical energy through the process of photosynthesis.
The amount of carbondioxide in the atmosphere would greatly increase if there were fewer plants.
(Plants) is the answer.
