Which of the following materials is NOT produced by erupting volcanoes?

A. sandstone
B. ash
C. basaltic lava
D. obsidian/glass


Answer: A

Environmental & Atmospheric Sciences

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Sustainability is the capacity of the earth's natural system and human cultural systems to survive, flourish, and adapt to changing environmental conditions in the long-term future.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

Loess is transported by ________ and is important because ________.

A) flowing streams; it tends to braid streams and dam the water B) mass-wasting processes down slopes; it can cause debris avalanches C) wind around glaciers; it is fertile D) flowing streams; erodes very quickly

Environmental & Atmospheric Sciences

Larger north-south temperature contrasts occur in summer

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

In the winter you read in the newspaper that a large section of the Midwest is without power due to downed power lines. Which form of precipitation would most likely produce this situation?

a. snow b. hail c. freezing rain d. sleet e. rain

Environmental & Atmospheric Sciences