Question

what percent of water present on surface water and groundwater​

Answer 1

Answer:

In previous class I learnt about the human voice or discussed some questions that were related to the video

then we went to the breakout room and select one of the topics and

discuss that.

Answer 2

Answer:

When many people think of a water source, they think of lakes, rivers and streams; in other words, surface water. However, of all of the usable freshwater in the world, approximately 97 percent of it is ground water.