The Enhanced Fujita scale

A) classifies the greatest number of tornadoes as "weak."
B) has ten categories.
C) includes F6 tornadoes, which occur only a few times a year.
D) classifies tornadoes by the width of their spouts.


Answer: A

Environmental & Atmospheric Sciences

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Which of the following is NOT likely to be reflected in the "Under age 5 mortality indicator"?

A) infant deaths B) food availability C) public sanitation D) heart disease E) basic health services

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If the Pacific Ocean plate is moving at 5 centimeters a year and the Island of Hawaii is 5000 Kilometers away from the Aleutian Subduction Zone; how old will the island rock be when it begins to submerge into the trench? Hint: There are 100,000 centimeters in a Kilometer.

a) 1 million years (1,000,000) b) 5 million years (5,000,0000 c) 100 million years (100,000,000) d) 1 billion years (1,000,000,000)

Environmental & Atmospheric Sciences

Hurricane Katrina flooded New Orleans when a(n) ________ broke

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Currents within the surf zone that flow parallel to the shore are known as ________ currents

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences