Percentage of water in an apple is__________?
Percentage of water in an apple is__________?
A. 84%
B. 90%
C. 66%
D. None of these
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Name the branch of science which deals with the study of sound and sound waves?A. Aeronautics
B. Acoustics
C. Aerostatics
D. AetiologyEpsom salt is chemically known as_________?
Epsom salt is chemically known as_________?A. Copper Sulfate
B. Magnesium Sulfate
C. Ferrous Sulfate
D. None of theseEugenics is the study of___________________?
Eugenics is the study of___________________?
A. Altering human beings by changing their genetic components
B. People of European region
C. Different races of mankind
D. Genetic of plants
E. None of theseThe blueness of the sky is mainly due to _____________?
The blueness of the sky is mainly due to _____________?
A. The scattering of sunlight by air molecules
B. The presence of water vapor
C. Absorption of blue light by the air
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Which of the statements to about the Troposphere is not true?
A. It contains 85-90% of the atmosphere’s mass
B. It contains nearly all the water and oxygen of the atmosphere
C. It is the zone which exhibits changes in condition of weather
D. It is about 350 km thickThe science which deals with study of manners and customs of people is ?
The science which deals with study of manners and customs of people is ?
A. Ethnology
B. Morphology
C. Ethics
D. Genetics
E. None of these