02:46:15 Jen makes a Venn diagram to compare active transport and passive transport.

Which label belongs in the region marked X?

Moves molecules
Uses energy
Moves from low concentration to high concentration
Moves from high concentration to low concentratio

answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.