ANSWER: C, the continents were at one time joined together.
REASONING: Alfred Wegener was the first person to propose the scientific theory of Continental Drift. Continental Drift is a theory that supposes all the continents were at one time joined together as one large land mass. The mechanisms of continental drift can be explained by Plate Tectonics.
A. Weathering is the correct answer
The first one. Aerobic requires oxygen. Anaerobic does not.
Answer:
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scientific theory consists of one or more hypotheses that have been supported through repeated testing. Theories are one of the pinnacles of science and are widely accepted in the scientific community as being true. A theory must never be shown to be wrong; if it is, the theory is disproven. Theories can also evolve. This doesn’t mean the old theory was wrong. It just wasn’t complete.