Question

1. Fill in the blanks.
at
is the main source of water on earth.​

Answer 1

Answer:

Sun and air

Explanation:

Sun gives light. Air gives oxygen

Answer 2

Explanation:

Rainwater harvesting (RWH) is the collection and storage of rain, rather than allowing it to run off. Rainwater is collected from a roof-like surface and redirected to a tank, cistern, deep pit (well, shaft, or borehole), aquifer, or a reservoir with percolation.