The instrument used to measure wind speed is?
The instrument used to measure wind speed is?
A. Anemometer
B. Barometer
C. Hydrometer
D. Hygrometer
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The planets visible to us without using a telescope are __________?
The planets visible to us without using a telescope are __________?
A. 3
B. 4
C. 5
D. 6There are 5 planets visible without a telescope, Mercury, Venus, Mars, Jupiter and Saturn. The largest planet in our solar system by far is Jupiter.
A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?
A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________?A. behind him
B. in front of him
C. into his hand
D. by his sideWhich is the second largest component in milk?
Which is the second largest component in milk?A. Protein
B. Fat
C. Vitamin
D. None of thesePathology is the study of____________?
Pathology is the study of____________?
A. Ethics
B. Disease
C. Future
D. Cancer“Green House Effect” means:____________?
“Green House Effect” means:____________?A. Pollution
B. Prevention of ultraviolet rays
C. Trapg of Solar energy due to atmospheric carbon dioxide
D. D. NoneThe greenhouse effect is the problem caused by increased quantities of gases such as carbon dioxide in the air. These gases trap the heat from the sun, and cause a gradual rise in the temperature of the Earth’s atmosphere.
The toxicity of which of the following heavy metals leads to Liver cirrhosis?
The toxicity of which of the following heavy metals leads to Liver cirrhosis?A. Copper
B. Lead
C. Mercury
D. Zinc