Human ears detect sounds in the range of
A. 10 to 15,000 hertz.
B. 20 to 20,000 hertz.
C. 25,000 to 50,000 hertz.
D. 100,000 to 150,000 hertz.
E. 25,000 to 250,000 hertz.
Answer: B
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What is the collective name for the epicotyl, shoot apical meristem, and young leaves?
a. coleptile b. radicle c. plumule d. hypocotyl
Before the banning of DDT, which animals were most devastated by its use?
a. bald eagles b. peregrine falcons c. ospreys d. brown pelicans e. all of these
Arnold was involved in a major traffic accident, and some of the nerves in his spinal cord were cut. What are his chances for a full recovery? Please explain your answer
What will be an ideal response?