D. For the first one
C. For the second one
Answer: mid ocean ridges so I would go with the first one of at the spreading centers in the middle of the ocean
Explanation:
Not completely sure educated guess
Answer:
the pen which is laying on the table that is yours?
Answer:
Explanation:
Measuring the amount of deu terium in the universe allows us to set a limit on the density of ordinary matter of universe. Density of the universe is about 9×10-27 kg m-3, because of the way in which deu terium was created in the Big B ang, an exact measurement of the amount of deuterium would allow scientists to set limits on the models of the great explosion.
Answer:
A climatologist studies weather patterns over a period of time. Their work is similar to that of meteorologists but focuses on a much longer timescale, studying trends over months, years or even centuries.
Explanation:
basically someone who studies weather patterns in one area for a while, aka climate
