A. River water
B. Canal water
C. Sea water
D. Water in a lake
0
The nearest planet to the Earth is _________?
7
The planet that moves round the Sun at the highest speed is_________?
A. Venus
B. Mercury
C. Mars
D. Moon
9
In general, Comets have __________ orbits
A. Jupiter
B. Venus
C. Mars
D. Mercury
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1
GPS is an abbreviation for?
A. Elliptical
B. Highly elliptical
C. Circular
D. Parabolic
0
Oxidation is a chemical reaction involving the __________?
A. Global Poles System
B. Global PolySiliconium Store
C. Global Positioning System
D. Global Position Structure
1
At night, Plants intake __________ and release __________?
A. Gain of Electrons
B. Loss of Electrons
C. Gain of Protons
D. Loss of Protons
7
Urine is produced in __________?
A. Oxygen – Carbon dioxide
B. Carbon dioxide – Oxygen
C. Oxygen – Carbon monoxide
D. None of theseCarbon monoxide – Oxygen
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2
The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.
A. Kidneys
B. Lungs
C. Large intestine
D. Liver
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