Active solar heating systems involve
A. green roofs.
B. pumping a heat-absorbing fluid through collectors on the roof.
C. wind turbines with solar panels attached.
D. foil sheets under the floor.
E. adobe walls and windows that face the sun and store the collected solar energy.
Answer: B
You might also like to view...
During a heat wave, cities are usually at least one degree Celsius warmer than the surrounding countryside
Indicate whether the statement is true or false
Which statement about an eroded anticline is true?
a. rocks increase in age toward the center of the structure b. rocks decrease in age toward the center of the structure c. rocks at the center of the structure are older than the rocks directly beneath them d. beds dip toward the center of the structure
A stream's discharge is ________.
A. the average amount of water in the entire stream system B. the volume of solid sediment carried by the stream in a unit of time C. the volume of excess water during flood stage D. the volume of dissolved mineral matter carried by the stream in a unit of time E. the volume of water passing through a specific point along the stream in a unit of time
A study of dietary requirements of African bush elephants (Loxodonta africana) in a savanna environment, and the role the elephants play in that environment, would be an example of a topic studied in
A) plant biology. B) pedology. C) biogeography. D) ecology.