Describe how the four main types of air masses

affect the weather of North America.

Which state or states of matter take (s) the shape of its container?

Which brain structures might be called little brain and big brain?

What are some of the abiotic factors that scientists monitor when dealing with stream ecosystems? what are some of the biotic factors that scientists monitor when dealing with stream ecosystems? what is a "benchmark" in ecology?

What type of cell does not contain a nucleus enabling it to carry more hemoglobin? Leucocyte White blood cell Nerve cell Erythrocycte

Suppose that during any period of ¼ second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum reinforcement occurs. How many beats will occur in 1 second? A. 8 B. 12 C. 2 D. 4

How is scientific thinking useful in daily life

Is a rotting log biotic or abiotic?

Hat type of substances are commonly transported into cells by channel proteins

Who received profits from a corporation? A. The employee B. The company officials C. The managers D. The shareholders

An ecosystem includes a. only exotic factors b. only biotic factors c. biotic and abiotic factors d. only abiotic factors