A source from which organisms generally take elements is called a/an

A. exchange pool.

B. reservoir.

C. biotic community.

D. food web.

What is the name for the compound SO3?

Which of the following explains how ions conduct electricity in a solution?

Position coordinate of a particle confined to move along a straight line is given by s= 2t 3-24t + 6, where s is measured in meters from a convenient origin and t is in seconds.

Where are most experiments done?

A jetliner is traveling east from Salt Lake City to Washington DC, a distance of 1,850 miles. The jetliner travels at an average air speed of 590 mph relative to the air. At the jetliner's altitude, the wind is blowing 36 mph to the west.

Which of the following is not a result or consequence of rising average air temperatures on Earth? Glaciers and ice sheets melt. Sea levels rise. Evaporation increases. Salinity increases.

How does the doppler effect explain differences in sound pitch? choose all that apply?

A generator converts

The standard international unit of measurement S I for mass is the what

What is the stopping distance at night for a passenger vehicle traveling at 50 mph?