Soluble carbonate rocks are at or near approximately 10 percent of Earth's land surface. The correct option among all the options that are given in the question is the third option. Basically about 7 percent to 10 percent of the land surface of our earth is covered by Carbonate Karst. I hope it helps you.
Salt water makes up 97 percent of the earth's waters as 3 percent is only fresh water.
Arid which means Having some or no rain.
Answer:
These countries managed to get where they were by betting on the only resource they had in abundance: their people.
Both governments and families realized the value of education, and invested in it in an extraordinary way, and that bet was provided by the engineers and industrial workers who need the manufacturing base where the country's wealth comes from.
Economists and leaders of all political currents agree that the increase in human capital through a large investment in education is one of the secrets of the success of these Asian nations.