The species extinctions taking place today are being caused by ____ activities

a. human
b. volcanic
c. plate tectonic
d. extraterrestrial
e. geothermal


ANSWER: a

Biology & Microbiology

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Wilting of a plant occurs

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What are the important parts of the microscope?

What will be an ideal response?

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What cell structure is composed of microtubules and is responsible for organizing and sorting the chromosomes during cell division?

What will be an ideal response?

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