During its initial formation by the accretion of particles, the young Earth was ____

A) shrouded in a thick atmosphere
B) density stratified with a core, mantle, and crust
C) likely chemically homogenous throughout
D) completely covered by an ocean


C

Environmental & Atmospheric Sciences

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Which one of the following best describes a flux?

A) Movement of elements or compounds between reservoirs in a biogeochemical cycle B) A type of flower used for food and fiber; also known as linseed C) Variation in output from a large water reservoir, such as output through a hydroelectric dam D) A pool or reservoir where an element or compound is stored within a biogeochemical cycle

Environmental & Atmospheric Sciences

Winds that blow predominantly from the northeast and the southeast are the

A) westerlies. B) polar easterlies. C) horse latitudes. D) trade winds.

Environmental & Atmospheric Sciences

When do tidal currents reach their maximum velocity?

a. Midway between slack water and high tide b. Midway between low tide and slack water c. Midway between high and low tide d. During the flood current e. During the ebb curr

Environmental & Atmospheric Sciences

Natural and synthetic chemicals in the environment that can harm the human nervous system are called ____.

A. insecticides B. herbicides C. neurotoxins D. chemotoxins E. antibodies

Environmental & Atmospheric Sciences