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

Biology & Microbiology

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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

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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

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Surrounding the grana is the thylakoid lumen

__________________ Indicate whether the statement is true or false.

Biology & Microbiology

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

Biology & Microbiology