Answer:
The convention has resolved several important issues related to ocean usage
Mohs scale is used to identify hardness if he minerals. There is no scale to identify rocks Bc rocks are rocks
The right answer is B. The tree absorbing carbon dioxide
The Earth's atmosphere is the gas / particles surrounding our planet. Most of the air consists of nitrogen, oxygen, then other gases, including argon and carbon dioxide.
Biosphere is a planetary system including all living organisms and environments in which they live (the tree in this exercise).
Answer:
I think you are talking about radioactive aging? (see explanation)
Explanation:
We have rocks from the Moon (brought back), meteorites, and rocks that we know came from Mars. We can then use radioactive age dating in order to date the ages of the surfaces.
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