Oceans cover over 70% of Earth's surface, and precipitation constantly adds freshwater to the oceans. Yet, ocean levels remain relatively constant. Which of the following is the best explanation for why ocean levels remain constant?
A. Ocean water is continually changing from a liquid state into a vapor.
B.
Ocean water is continually seeping underground into the ocean floor.
C.
Humans alter the level of the oceans due to our need for drinking water.
D.
It is difficult to change the ocean levels due to the large size of the oceans.
Answers: 2
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Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt
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Oceans cover over 70% of Earth's surface, and precipitation constantly adds freshwater to the oceans...
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