What is the primary factor driving trees to grow so tall in forests?
A. water
B. nitrogen
C. light
D. wind
E. heat
C
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Plate divergence is found along subduction zones
Indicate whether the statement is true or false
Autotrophs (or primary producers); heterotrophs Fill in the blank(s) with the appropriate word(s)
An isolated village of about 1,000 people in a developing nation may be hunting and raising only enough crops to feed themselves. Such a village may have fewer than half their children surviving to adulthood
This struggling village primarily reflects the result of which revolution? A) The Industrial Revolution B) The Medical Revolution C) The Green Revolution D) The Neolithic Revolution
Which of the following classes of compounds can be categorized as primary, secondary, or tertiary?
A) alcohols B) aldehydes C) carboxylic acids D) ketones