Answer:
In the 1930s, a serious drought, combined with excessively intensive farming practices, transformed the U.S. Great Plains into a dust bowl, wreaking economic devastation on farmers and their communities. The fertile topsoil that fed a nation was, quite literally, blowing in the wind.
Explanation:
Answer:
a. The Decimal System
Explanation:
The Decimal System, is one of the great mathematical innovation form ancient India. There is no clear date and place about the invention the decimal system.
It was first recorded in India, then spread to Islamic world, and further to Europe. Decimal system gave a unique turn to the world of mathematics and made the counting or measurement easy.
Hence, the correct answer is "a. The Decimal System".
Answer:
the 8 in 80 is 10 times greater than the 8 in 80
Explanation:
Answer:
renewable resource
Explanation:
resources that practically never run out
