The end of the Earth may come in about how many years, when the Sun runs out of fuel and becomes a red giant?

a. 100 million years
b. 2 billion years
c. 5 billion years
d. 10 billion years


Answer: c. 5 billion years

Environmental & Atmospheric Sciences

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The features that form when the land surfaces caves into large subsurface voids created by solution of bedrock some distance beneath the surface are called ______________. (two words)

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Which process has been largely responsible for increasing the amount of CO2 in the last 200 years?

A) Increasing cattle ranching worldwide B) Disintegration of petroleum-based plastics C) Use of industrial fertilizers D) Burning of fossil fuels

Environmental & Atmospheric Sciences

Streamlines on a weather map depict

a. ?water temperature. b. pressure. c. ?wind flow. d. ?dew point. e. ?ocean currents.

Environmental & Atmospheric Sciences

Why is predicting future sea level change such a tricky task?

What will be an ideal response?

Environmental & Atmospheric Sciences