The last one is the answer I think
They both are caused by quakes in the bottom of the ocean or moves in tectonic plates, so they are caused by giant forces moving other giant land masses.
Answer:
A. Water with high salinity has low dissolved oxygen.
is your answer :)
Explanation:
Answer:
The pH scale is used to rank solutions in terms of how acidic or how basic they are. ... This pH value of 7 is important because it indicates a neutral solution. All other substances are compared to this neutral point. Any solution that has a pH of less than 7 is considered acidic, and anything above a pH of 7 is basic.
Explanation: