The region of a lake where plants are able to attach to the bottom and still reach above the surface is known as the __________.
Fill in the blank(s) with the appropriate word(s).
Answer: littoral zone
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Air near Earth's surface tends to be ________
A) warmer; it rises as it is displaced by Coriolis forces B) warmer and wetter; then it rises, expanding and cooling C) warmer and drier; then it rises, condensing and gathering moisture D) cooler and wetter; then it rises, is warmed by the sun, and sinks again E) cooler and drier; it rises when it is displaced by sinking warm air
Biodegradation is an attenuation mechanism that could affect the concentration of:
a. chromium b. chloride c. TCE d. all of the above
What is the primary difference between swamps and marshes?
A. saltiness B. temperature C. water depth D. vegetation E. elevation
The power dissipated in a 4 ohm resistor carrying 3 A is
A) 7 W. B) 18 W. C) 36 W. D) 48 W. E) not enough information given