The four major classes of Earth's biomes are:

a. forest, grassland, desert, and highlands.
b. grassland, desert, tundra, and forest.
c. forests, shrubs, grasslands and tundra.
d. none of these


B

Environmental & Atmospheric Sciences

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Any volcanic mud or debris flow is called a(n) _______________ by volcanologists

Fill in the blank with correct word.

Environmental & Atmospheric Sciences

When a mineral reserve is considered to be depleted, what is the typical percentage of mineral left in the ground?

A. 20% B. 0% C. 5% D. 50%

Environmental & Atmospheric Sciences

What % of tropical disturbances die out before ever evolving into more powerful systems?

A) 20% B) 33% C) 57% D) more then 90%

Environmental & Atmospheric Sciences

Explain why Figure 1.19 Three Pillars of Sustainability has overlapping regions and what meaning this overlap is intended to convey

What will be an ideal response?

Environmental & Atmospheric Sciences