A pioneer community of plants is essentially a single ________

A) plant
B) seral stage
C) climax forest
D) localized extinction
E) migration path


Answer: B

Environmental & Atmospheric Sciences

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The Berkeley Earth Team estimates that Earth's average temperature increased about ________ since the 1950s.

A. 0.5°C B. 1.0°C C. 5.0°C D. 0.1°C E. 2.0°C

Environmental & Atmospheric Sciences

In the past, most Western ethics concerning the human relationship to the natural environment have been based on

A) the utility of the environment to humans. B) conserving natural ecosystems without alteration. C) the aesthetic value of natural systems. D) reverence and respect for the spiritual aspects of the natural world.

Environmental & Atmospheric Sciences

People whose jobs involve collecting, processing and transmitting information in novel ways are called the ________ class

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

Why is the sky blue?

A. Light is absorbed in the atmosphere. B. Light is reflected from the atmosphere. C. Light is scattered in the atmosphere.

Environmental & Atmospheric Sciences