Liver uses which vitamin for creating new Red Blood cells?
A. B12
B. B6
C. A
D. K
A. B12
B. B6
C. A
D. K
A. Neon
B. Argon
C. Xenon
D. Nitrous oxide
The speed of light with the rise in the temperature of the medium____________?
A. Decrease
B. Increase
C. Remain the same
D. First decrease then increase
A. River water
B. Canal water
C. Sea water
D. Water in a lake
A. 1 gr
B. 1200 gr
C. 1350 gr
D. 1500 gr
A. Seasons
B. Atmosphere
C. Air and sounds
D. Winds and clouds
Meteorology is the study of the atmosphere, atmospheric phenomena, and atmospheric effects on our weather. The atmosphere is the gaseous layer of the physical environment that surrounds a planet. Earth’s atmosphere is roughly 100 to 125 kilometers (65-75 miles) thick.
The sun is made up of 99.9% of ________________ and ______________?
A. Oxygen and Hydrogen
B. Hydrogen and Sulfur
C. Carbon and Silicon
D. Hydrogen and Helium