The Correct choice is C
<u>Demography</u> is the study of human populations and how they grow or decline.
Answer: For instance, plants (biosphere) grow in the ground (geosphere), but to survive they absorb water (hydrosphere) and carbon dioxide (atmosphere). Nor are plants merely absorbing: they also give back oxygen to the atmosphere, and by providing nutrition to animals, they contribute to the biosphere.
Hope this helps...... Stay safe and have a Merry Christmas!!!! :D
Explanation:
Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
Kharif crops are grown in the begging of “rainy season” (April & May). Rabi crops are grown at the beginning of winter or between September and October.
