Our Earth
The community or collection of the stars is called
solar system
galaxy
planet
milky way
galaxy
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The length of one day on planet Mars is:A. 35 Earth hours
B. 24.6 Earth hours
C. 28 Earth hours
D. 30 Earth hours
The volcanic activity area is classified as:
A. ridge
B. drift
C. crust
D. mantle
Considering the layers of the Earth, the temperature in center of the Earth can be:
A. 6500 ยฐC
B. 6800 ยฐC
C. 5000 ยฐC
D. 7300 ยฐC
The theory which states that pieces of land on the earth surface were joined to each other and separated with the passage of time is classified as:
A. crustal drift theory
B. oceanic drift theory
C. continental drift theory
D. Atlantic drift theory
The percentage of Earth which is covered with oceans is:
A. 65 percent
B. 80 percent
C. 75 percent
D. 85 percent
The larges masses of land are present on the:
A. northern hemisphere
B. southern hemisphere
C. eastern hemisphere
D. western hemisphere
The highest temperature of the planet Mercury (in Celsius) is:
A. 800ยฐ
B. 700ยฐ
C. 400ยฐ
D. 600ยฐ
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