Question

Only about _______ percent of Earth's water is available to be consumed by humans or used for agriculture.

Answer 1

Answer:

Only about (    3%    ) percent of Earth's water is available to be consumed by humans or used for agriculture.

Explanation:

Salt water makes up about 96.5% of all water on earth, rest being fresh water. Salt water can not be used to grow crops or used by humans as it will kill/damage crops, and make humans unhealthy and dehydrated.