Relatively cooler magma in an erupting volcano is apparently the result of _______.

a - the amount of water present
b - depth of magma formation
c - the relatively high amount of silica present
d - position of astronomical bodies
e - surface salinity


c - the relatively high amount of silica present

Environmental & Atmospheric Sciences

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________ on inland streams would be caused by a lowering in sea level

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

Almost all energy on Earth comes directly or indirectly from

A. the Sun. B. carbon dioxide in the atmosphere. C. radioactivity. D. Earth's interior.

Environmental & Atmospheric Sciences

Most rain at middle latitudes is produced by the ice crystal process. This is because ____

A) clouds in these region have below-freezing temperatures at all levels but experience strong uplifts B) clouds in these regions can extend into regions where air temperatures are below freezing C) ice crystals evaporate more slowly than water droplets in clouds of these regions D) most rain occurs during the winter in these regions

Environmental & Atmospheric Sciences

Which of the following statements is true about the topology rules in ArcGIS?

A. Topology rules can apply to features within a feature class or between two or more feature classes. B. Topology rules only apply to features within a feature class. C. Topology rules only apply to features between two or more feature classes.

Environmental & Atmospheric Sciences