The Columbia River volcanic field is related to ____

a. Miocene lava flows
b. Eocene subduction
c. a recent mantle plume
d. Oligocene extension
e. Miocene subduction


a

Environmental & Atmospheric Sciences

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Species at imminent risk of extinction are classified as ________ species.

A. endangered B. vulnerable C. threatened

Environmental & Atmospheric Sciences

Which of the following statements is false?

A. Human males have an X chromosome. B. Human females have two X chromosomes. C. Human females and males have the same number of chromosomes. D. Human males have two Y chromosomes.

Environmental & Atmospheric Sciences

In the diagram below the "steno" species is represented by the



A) green line.
B) black line.

Environmental & Atmospheric Sciences

Most local government services depend on ____ for their revenue.

A. income taxes B. sales tax C. property taxes D. fees and licenses E. gifts

Environmental & Atmospheric Sciences