Answer:
B. Radiant energy is the answer.
The correct answer is "to make laws" - answer D. You can see that it's connected to the laws because it's also the name of one of the three branches of the government (the legislative branch) which is responsible for making laws. (the other two : judicial: to judge and executive: to actually govern)
The statement that best explains the student observation is water is not a smooth surface after the rock is dropped in the pond.
An observation is refers to a process where someone observes a subject ongoing behavior in a natural situation.
Here, the observation of the situation takes places immediately when the student drops the stone into the water.
Hence, the Option B is correct because the statement that best explains the student observation is water is not a smooth surface after the rock is dropped in the pond.
Read more about observation
<em>brainly.com/question/9249399</em>
The earth gets most of its energy from the radiogenic heat from the radioactive decay of isotopes