1000 years
It takes about 1,000 years
It may take centuries for a soil to become fertile through the breakdown of rock and the accumulation of organic material, but human mismanagement can destroy that fertallity within a few years.
100 years
depending on the climate and other factors it takes about 1,000 years
cause they need to make crops
It takes about 1,000 years
It takes about 1,000 years
It may take centuries for a soil to become fertile through the breakdown of rock and the accumulation of organic material, but human mismanagement can destroy that fertallity within a few years.
Millions and millions of years
An inch where?
4
Hair grows about an inch a month.
It takes 2.5cm to make 1 inch.
about 1,000
6minute
It will take approximately 2 months for hair to grow 1 inch.
Explain the term inorganic soil.