Answer:
C
Explanation:
Mexico gained its freedom in 1820
Answer:
the answer is (c) the US Census Bureau
The release of greenhouse gases damages the ozone layer, (the layer protecting us from the suns rays) exposing the planet to the suns harmful radiation rays, increasing the temperature by a small amount each year
Answer:
These planets are much larger than the inner planets and are made primarily of gases and liquids, so they are also called gas giants. ... Since the inner planets didn't have enough mass to hold on to these light gases, their hydrogen and helium floated away into space.
Explanation:
Answer: The Northern European Plains.
Explanation: I hope this answers your question :)