Of the following carbon reservoirs, which contains the lowest mass of carbon?
a. atmosphere
b. oceans
c. sedimentary rock
d. soil
A
Biology & Microbiology
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What blood type is called the universal donor?
A. O- B. AB+ C. Ab- D. O+
Biology & Microbiology
In plants, the long-distance transport of substances is called transpiration
Indicate whether the statement is true or false.
Biology & Microbiology
Humans have different thermoreceptors for heat and cold
Indicate whether the statement is true or false.
Biology & Microbiology
In a phototropism, auxin moves to the ___ side
of the stem and causes cell ___.
a. shade--elongation b. sun--elongation c. sun--division d. shade--division e. shade--apotosis
Biology & Microbiology