Which of the following is not an environmental control that may help determine the species which occupy an ecosystem?

a. the age of the ecosystem
b. the intensity of sunlight
c. the texture and chemistry of the soil
d. other plants and animals


A

Environmental & Atmospheric Sciences

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The trees that died in the Pacific Northwest after the great earthquake of 1700 were killed by ________.

A. seawater after faulting dropped the land below sea level B. a cloud of methane that was released from sediments during the shaking C. seawater after a tsunami rushed onshore D. the liquefaction of their underlying soils E. mass wasting events in the days after the earthquake

Environmental & Atmospheric Sciences

A(n) ____________________ effect is an immediate or rapid reaction to exposure to a harmful substance

Fill in the blanks with correct word

Environmental & Atmospheric Sciences

One of the sources of dangerous heavy metal emissions is from incinerating

A. Bleached paper containing chlorine B. Aluminum foil C. Batteries D. Residue from household cleaning products E. Plastics

Environmental & Atmospheric Sciences

A helpful, but somewhat more expensive way of controlling unwanted vegetation such as invasive plants is short-term trampling by large numbers of livestock

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences