What is an advantage of using oil instead of wind power to generate electricity?

a. oil can be used when there is no wind.

b. oil is nonrenewable.

c. oil produces no pollution.

d. oil releases greenhouse gases when burned.

Answer

Correct Answer is A

A. Oil can be used when there is no wind.

Explanation:

B. Oil is nonrenewable source so once it is used it cant be reused.  Therefore it is not an advantage.

C.This is not true that oil produces no pollution because oil produces pollution when it is used to generate electricity.

D. Oil releases greenhouse gases when burned which increase the pollution so it is also not an advantage.

answer: 2×10^-2kg

explanation: density= mass per volume

vol=mass/density

converting to s.i units we have;

3÷1000kg = 0.003

1.5÷100m = 0.15

0.003/0.15 = 0.02kg