Definitions [2]
Atmosphere:
The envelope of air around the Earth is called the atmosphere. It is composed of nitrogen, oxygen, water vapour, and carbon dioxide, with other gases present in small quantities. The atmosphere is like a protective blanket that keeps our planet safe and helps support life.
Define Hydrosphere.
The hydrosphere is the total amount of water present on the earth which includes water on the surface, under the ground, and in the air. The hydrosphere is in the form of liquid, vapour, and solid (ice).
