Answer:
The study of the human perception of sound is called psychoacoustics.
Explanation:
Everything applies except for the last option
Answer:
Different street blocks are different lengths, so it won't be possible to answer this.
Answer:
The correct option is B
B) Scientists can measure how much pollution is given off.
Explanation:
A) To determine what kind of plants do people want, a polling or a survey is carried out. It is not the job of a scientist to carry that out.
B) Scientist have derived various techniques to measure different kinds of pollution. For example, air pollution can be derived from the Air Quality Index, which measure the quality of the air. The higher the value of Air Quality Index, more is the pollution.
C) Scientists are not allowed to pass any laws regarding pollution. Any kind of laws, including those related to pollution are passed by the Congress.
D) Most of the powerplants in US are owned by private business, while some are under control of the government.
