Which is an example of an event that would give rise to primary succession?

a. a dense landslide of mountain rocks covering an entire valley
b. a fire that burns all surface vegetation
c. an abandoned agricultural field
d. a lake that dries up, killing all aquatic plants
e. a forest that is logged


ANSWER: a

Biology & Microbiology

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a. pattern baldness as early as age twenty. b. socially inappropriate vocal outbursts and muscular twitches. c. a high incidence of cancer with any exposure to sunlight. d. muscular and mental deterioration shortly after puberty. e. premature aging which typically leads to death in the early teens.

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Mitosis is a process that is unique to humans

a. True b. False

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A/an ________ allows visual inspection of the ear canal and eardrum.

A) Tympanogram B) Tympanometer C) Otoscope D) Audiometer

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Technology is the application of scientific knowledge to the interests of humans.

Answer the following statement true (T) or false (F)

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