Which liquid is used in the thermometer.
A. Mercury
Observer
Which instrument is used to measure the Wind Direction.
A. Barometer
B. Anemometer
C. Speedometer
D. Odometer
The worst climate pollutant that causes adverse effects on the Earth’s atmosphere is.
A. Carbon Monoxide
B. Carbon DioxideÂ
C. Sulfur Oxide
D. Nitrogen Oxide
Ozone layer protects the Earth from __________ radiations from the Sun.
A. microwaves
B. infrared
C. X-rays
D. ultraviolet
He was the scientist to prove that Planets move around the Sun?
A. Archimedes
B. Galileo Galilei
C. John Kepler
D. None of these