Active solar energy systems involve
A. Large volumes of massive heat absorbers
B. Stationary materials to gather and hold heat
C. Photovoltaic cells
D. Pumps and moving fluids
E. Cogeneration
Answer: D
You might also like to view...
Mesozoic birds are similar to Cenozoic birds in that both have teeth
Indicate whether the statement is true or false
The world population growth rate is currently at approximately ________%
A) 2.5 B) 1.2 C) 10 D) 5 E) 20
If an imbalance occurs between incoming and outgoing energy at the earth's surface:
A) temperatures either increase or decrease. B) minimum temperatures occur. C) temperatures remain steady. D) maximum temperatures occur.
Which of the following is true of red blood cells?
A) They circulate in the blood for about 1 month. B) They are called leukocytes. C) They have DNA. D) None of these is true.