hundreds of years
100 years
thousands of years
48 hours
Individuals grow at different rates, and at different rates according to their ages. It is not uncommon for adolescents and teens to grow in height by an inch or more in a single year.
Approx 10.3 US gallons.
This depends on what type of topsoil, its composition, the surrounding climate, etc. But usually it'll take about 800-1000 years for an inch to form.
350-500 years
100 years
Depending on geographic location, the natural build-up of one inch of topsoil requires about 400 - 10,000 years. Certain locations can require less, and others, even more.
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It takes about 1,000 years
It takes about 1,000 years
It depends on where your at, in the rainforest it can happen in a year, while in other places take hunreds of years.
It depends on where it is forming, natural geology, climate, etc... but it is considered a non-renewable resource because on average it takes 100 to 500 years for 1 inch of topsoil to "grow." It is also interesting to note it grows downward as the rock breaks down, not upwards as one might imagine.
It depends on where it is forming, natural geology, climate, etc... but it is considered a non-renewable resource because on average it takes 100 to 500 years for 1 inch of topsoil to "grow." It is also interesting to note it grows downward as the rock breaks down, not upwards as one might imagine.
6000 to 12000 years ago.
An inch where?