Highly vesicular, intermediate-sized pyroclastic fragments of dacite or rhyolite are called

A) cinder.
B) pumice.
C) scoria.
D) lapilli.


Answer: B

Environmental & Atmospheric Sciences

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Which of the following best describes energy collection and conversion in a tree?

A) Leaves collect and chlorophyll converts. B) Leaves convert and chlorophyll collects. C) Roots collect and leaves convert. D) Seeds collect and leaves convert.

Environmental & Atmospheric Sciences

We feel uncomfortably warm on a muggy day because water molecules are

A. evaporating from our moist bodies. B. preventing the evaporation from our moist bodies. C. condensing on our bodies.

Environmental & Atmospheric Sciences

Wind deposits composed of sand-sized particles that are deposited near their source are called

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

Environmental & Atmospheric Sciences

In the diagram, there is



A) higher overall energy levels, with a decrease of water vapor in the air.
B) lower overall energy levels, with an increase of water vapor in the air.
C) an equilibrium between condensation and evaporation.
D) lower overall energy levels, with a decrease of water vapor in the air.

Environmental & Atmospheric Sciences