A sediment being analyzed is determined to be composed of mostly granite. What kind of sediment is it?
a. Cosmogenous sediment
b. Terrigenous sediment
c. Hydrogenous sediment
d. Biogenous sediment
b
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Influential in the opening and closing of stomata.
Choose the letter of the best: A. abscisic acid B. auxin C. ethylene D. cytokinin E. gibberellin
What results when nitrogen dioxide and hydrocarbons react in the presence of sunlight?
a. photochemical smog b. industrial smog c. a thermal inversion d. acid rain e. particulate fallout
Surrounding the grana is the thylakoid lumen
__________________ Indicate whether the statement is true or false.
The corpus luteum secretes some ____ and a lot of ____ which readies the uterus for pregnancy.
A. luteinizing hormone; follicle-stimulating hormone B. Follicle-stimulating hormone; luteinizing hormone C. GnRH; progesterone D. estrogen; progesterone E. progesterone; estrogen