Those microscopic organisms perform what 2 processes that help pave the way for lichen by creating organic material. A. Carbon Dioxide and Nitrogen Fixation
B. Oxygen and Carbon Fixation
C. Oxygen and Carbon Dioxide Fixation
D. Nitrogen and Oxygen Fixation

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the animal that would be cutest if scaled down to the size of a cat? elephant

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.

50% lit on the left side