What causes the Sun's heat?
A. energy release from nuclear fusion
B. energy release from nuclear decay
C. energy release from nuclear fission
Answer: A
You might also like to view...
An example of a major city that is located in an unfavorable location would be
A) New York City. B) Louisville. C) Mexico City. D) Boston.
Which one of the following processes involves increasing the U-235 content of the ore from 0.7% to 3%?
A. reprocessing B. enrichment C. conversion D. fabrication
Rural residents in many parts of the world tend to live longer than urban residents.
Answer the following statement true (T) or false (F)
Gray whales breed and give birth in ________ in the ________
A) cold high-latitude waters; summer B) cold high-latitude waters; winter C) mild mid-latitude waters; spring D) tropical lagoons; summer E) tropical lagoons; winter