Sea otters are considered a ____________________ species

Fill in the blanks with correct word


keystone

Environmental & Atmospheric Sciences

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What animal is responsible for building tropical reefs? What is the term for this behavior? What kind

of symbiosis occurs within the tissues of these organisms? What will be an ideal response?

Environmental & Atmospheric Sciences

"Average weather" is an adequate definition of climate

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the following business activities represents a service-flow business?

A. farming B. leasing and servicing copy machines C. selling gasoline D. extracting natural gas E. selling electric bicycles

Environmental & Atmospheric Sciences

As of 2009, the Persian Gulf region was believed to contain _______ percent of the world's oil reserves.

A. 50 B. 68 C. 75 D. 92

Environmental & Atmospheric Sciences