I think b surface fronts but im not 100% sure
Answer:
the theory that changes in the earth's crust during geological history have resulted from the action of continuous and uniform processes.
Explanation:
Answer:
OB. Run-off from fertilized land increases nitrogen levels in ecosystems and encourages algal growth. is the correct answer.
Explanation:
because This in turn is leading to global warming and weather changes.
Answer: As water is cooled, its density increases until it reaches about 4˚ Celsius.
hope this helps you :D
i apologize if i got it wrong
Answer:
180
Explanation:
they divide it into 180 degrees