A stream's base level is the lowest level to which it can cut down or erode its channel.
Answer the following statement true (T) or false (F)
True
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Environmental ____________________ defines what a person believes is right and wrong in their behavior toward the environment.
Fill in the blank(s) with the appropriate word(s).
If you exert 100 J in 50 s, your power output is
A) 1/4 W. B) 1/2 W. C) 2 W. D) 4 W. E) more than 4 W.
Light energy from the sun is trapped by ____ in primary producers and change into chemical energy
A) ?carbohydrates B) ?bacteria C) ?chlorophyll D) ?protein
Which of the following best describes the components of phospholipids?
A) glycerol, one fatty acid, two phosphate groups, and an alcohol B) glycerol, two fatty acids, a phosphate group, and an alcohol C) either of these, depending on the identity of the phospholipid D) none of the above