Answer:
Rainwater harvesting and recycled wastewater also allow to reduce scarcity and ease pressures on groundwater and other natural water bodies. Groundwater recharge, that allows water moving from surface water to groundwater, is a well-known process to prevent water scarcity.
Explanation:
The largest desert on earth is the Sahara Desert in Northern Africa. The Sahara is 9,400,000 km2.
I think it's D. I'm not positive though.
There are 8 planets in our solar system