Answer:
because a raduis is half of 25% of a cicrle.
Explanation:
Answer:
It is a example of physical change
True
Explanation:
It is correct to say that the salinity of the oceans has been relatively constant throughout geologic time because salt is removed at the same rate it has been added.
Salinity is the amount of dissolved salt found in the ocean. It is the degree of saltiness of the ocean.
- The rate at which salt has been added into the ocean over the years through geologic time has been very constant.
- Most salts in the ocean comes from land.
- Also the rate it has been removed is fairly constant.
- The salinity of ocean has once been used to date the age of the earth.
learn more:
Salinity brainly.com/question/10491444
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