Question

Approximately 30% of Earth’s surface is made up of land. Of that 30%, only half is hospitable for life because of:

Answer 1

Because of corruption in some countries

Answer 2

Answer:

Green house effect.

Explanation:

Most people have heard Earth referred to as "the water planet." With that name comes the rightful image of a world with plentiful water. In photographs taken from space, we can see that our planet has more water than land. However, of all the water on Earth, more than 99 percent of Earth's water is unusable by humans and many other living things - only about 0.3 percent of our fresh water is found in the surface water of lakes, rivers and swamps.The teacher guide describes our current understanding of water cycling and freshwater issues that affect natural and human communities.

I hope it may help you.