The water for Earth’s ocean originated from ____
a. volcanic activity and other planets
b. volcanic activity and comets
c. other planets
d. the sun
e. solar nebula
b
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The ____________________ rate of increase is the rate a population would grow if it had unlimited resources.
Fill in the blank(s) with the appropriate word(s).
Which of the following is NOT one of the four dominant language families for the African region?
a. European b. Nilo-Saharan c. Niger-Congo d. Afro-Asiatic e. Austronesian
An element is defined by the number of electrons the orbit the nucleus
Indicate whether the statement is true or false
When a deep upper-level trough is located to the east of a surface anticyclone, the surface anticyclone will tend to move toward the
a. northwest. b. northeast. c. southwest. d. southeast. e. west.