Mars is known as ________ Planet?
A. Red Planet
B. Blue Planet
C. Green Planet
D. Orange Planet
A. Red Planet
B. Blue Planet
C. Green Planet
D. Orange Planet
A. Saturn
B. Neptune
C. Earth
D. Jupiter
A. Red
B. Yellow
C. Blue
D. Green
A. Convection within Earth’s mantle.
B. Plate drift.
C. Subduction of smaller plates.
D. Earthquakes.
A. 1960s
B. 1980s
C. 1970s
D. 1950s
A. less than 28%
B. about 75%
C. about 87%
D. about 97%
A. Ganges Delta
B. Mississippi Delta
C. Amazon Delta
D. Niger Delta