During respiration, the gases enter into the blood and leave the same by the process of
Green glands are associated with
The total population divided by available arable land area is referred to as
A form of condensation that reduces visibility and causes breathing problems is
Consider the following pairs;
Tributary Main Piver 1. Chambal Yamuna 2. Sone Narmada 3. Manas Brahmputra
Which one of the pairs given above is/are correctly matched?
The earth is at its maximum distance from the Sun on