For the last 100 years, our primary energy source has been ________

A) nuclear energy
B) natural gas
C) hydropower
D) fossil fuels
E) fuel wood


D

Environmental & Atmospheric Sciences

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What type of seismic wave can pass through liquid?

a) S waves b) surface waves c) P waves d) no waves

Environmental & Atmospheric Sciences

The chemical union of oxygen with another substance to form a new product is called ____________________

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Though the U.S. is a signatory to the Kyoto Protocol, the U.S. Congress never ratified it

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following terms refers to a relatively narrow downburst, one that is less than 4 km wide?

A. funnel cloud B. rain shaft C. narrow burst D. microburst

Environmental & Atmospheric Sciences