Answer: I believe it is D, the Nervous System.
Explanation:
The basic functions of the United States government are defined in the Preamble to the U.S. Constitution.<span> The Supreme Court is one example of how the U.S. government</span>
Answer:
most likely silt.
Explanation:
its not humus cause humus is sticky. its not sand cause when sand is wet its very gritty and hard. its not gravel because gravel is gritty. hope this helped
DNA is going to be the answer