The property of a substance to absorb moisture from the air on exposure is called____________
The variety of coal in which the deposit contains recognizable traces of the original plant material is____________
Bromine is a___________________
what is the height of The atmosphere layer mesosphere
Second layer of Earth’s atmosphere is__________
Border line which separates outer space from Earth’s atmosphere is known as___________
Places experiencing equal impact of an earthquake are called_________________
A man can survive without food for atleast
Which of the following is a mammal
The atmospheric greenhouse effect is produced mainly by the __________________
