Evidence suggests that life on Earth has existed for about ________.
A). 3.5 million years
B). 35 billion years
C). 35 million years
D). 3.5 billion years
Isobar lines show
A). Pressure
B). Rain
C). Depth
D). Time
Which of the following pairs is not correctly matched?
A). 66° 33' N latitude - Arctic Circle
B). 180°E or 180°W longitude- International Date Line
C). 23° 20' N latitude - Tropic of Cancer
D). 0° E or 0°W longitude Equator
When a ship crosses Date line from west to east ________
A). It loses one day
B). It gains one day
C). It loses half a day
D). It gains half a day
The Earth rotates-around an axis pointing towards ________
A). The moon
B). The pole star
C). The sun
D). Venus