Answer:
B and D are correct.
Explanation:
A is incorrect: Trees cannot live fully immersed in sea water.
C is incorrect: The surfaces are very varied all over the ocean floor.
The correct answer is a subpoena.
A Subpoena is a court order to appear in Court or in front of a legislative body with an investigative function.
They spread diseases to the Native Americans, and since they had never experienced any similar diseases they quickly died
Because there is a difficulty in quantifying, putting in numbers, the value of community and cooperative organizations. So the conclusion is simple: If you can not quantify you can not measure and if there is difficulty in quantifying, there is the same difficulty in measuring.