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1. 1 According to scientists, Earth _________ how many billions of years ago?
A
formed
B
was formed
C
is formed
2. The world’s water ________ into how many major oceans?
A
divides
B
was divided
C
is divided
3. How many people ________ the Earth?
A
inhabit
B
were inhabited
C
are inhabited
4. What percentage of the Earth’s surface ________ in water?
A
was covered
B
covers
C
is covered
5. The highest temperature on Earth _______ in what country?
A
recorded
B
was recorded
C
is recorded
6. According to scientists, Earth was formed how many billions of years ago?
A
4.5 billion years ago
B
1.2 billion years ago
C
3 billion years ago
7. The world’s water is divided into how many major oceans?
A
three
B
four
C
five
8. How many people inhabit the Earth?
A
about 5.6 billion
B
about 7.5 billion
C
about 10 billion
9. What percentage of the Earth’s surface is covered in water?
A
sixty percent
B
fifty percent
C
seventy percent
10. The highest temperature on Earth was recorded in what country?
A
Egypt
B
USA
C
Saudi Arabia