A stone is pushed from the top of a hill. Halfway to the bottom of the hill, this rolling stone

a. has potential energy only.
b. has both potential energy and kinetic energy.
c. is using up chemical energy.
d. is constantly gaining more energy.
e. has kinetic energy only.


B

Biology & Microbiology

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Biology & Microbiology

Researchers are interested in the genomes of prokaryotic species for all of the following reasons EXCEPT

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Biology & Microbiology

In most ferns, roots and leaves sprout from ____

a. fronds b. rhizomes c. sporangia d. sori e. gametophytes

Biology & Microbiology

Prostaglandins are thought to cause ________

A) PID B) menstrual cramps C) endometriosis D) vaginitis

Biology & Microbiology