With the work sampling technique, applicants are ________.

Wind, solar and geothermal power are called renewable energy sources because _______.

Wind power creates _____ pollution.

Wilderness areas ________.

With an occluded front, _____.

Walking among the top canopy in a tropical rainforest requires _______.

A great deal of indoor air pollution comes from ________.

The _____ is a part of the task environment because of globalization and intense competition.

Air _____ at the surface and ______ above a low pressure system

After the energy crisis of the 1970s and the opec oil embargo, the us _______.

Compared to antarctica, the percent increase in temperature in the arctic will be ________.