Which of the following is the best definition of desertification?
a. a drought-like condition where rainfall is 20% less than normal for a period of over 2 years
b. a conversion of grassland or woodlands to desert-like conditions
c. an ecological disaster
d. a process where farm animals overgraze prairie lands
b
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The area around a nucleus where an electron is most likely to be found is the:
A. electrical space. B. energy level. C. polar space. D. orbital.
Endocytosis is a type of _______.
a. passive transport b. facilitated diffusion c. osmosis d. active transport
A hotter object emits longer wavelengths than a cooler object
Indicate whether the statement is true or false
Which of these is not true of the electron transport chain?
a. The electron transport chain is located on the cristae of the mitochindria. b. The electron transport chain produces more NADH than any metabolic pathway. c. The electron transport chain contains cytochrome molecules. d. The electron transport chain ends when oxygen accepts electrons.