Biodegradable plastics may incorporate ________ to speed breakdown processes.

A. Weak structural components
B. Water
C. Cornstarch
D. Special types of hydrocarbons
E. Microscopic tears in the plastic


Answer: C

Environmental & Atmospheric Sciences

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Pelagic organisms live in water above the sea floor. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

An echo sounder operates by measuring the time required for a ________

A) sound pulse travels from a ship to the seafloor and back B) radar beam to travel from a harbor patrol boat to a fuzz-buster on a speeding yacht C) light beam to travel from a satellite at a known altitude to the sea bottom and back D) radar beam to travel from a ship to the seafloor and back

Environmental & Atmospheric Sciences

The presence of which of the following hastens evaporation?

A) Warm water B) Cold air C) Rising air D) Already humid air E) Slow-moving air

Environmental & Atmospheric Sciences

Identify and describe three principles that can be used to guide environmental policy makers as they craft guidelines that minimize environmental harm.

What will be an ideal response?

Environmental & Atmospheric Sciences