Do you really believe that the earth was MILLIONS years OlD???
Scientist just guessed the numbers out. It's funny how people believe them.
Anyways here is what google says: 145 millions years ago.
Link: <u>https://www.livescience.com/28739-jurassic-period.html </u>
Answer:
Here ya go:)
Explanation:
True
A look at the map of Italy immediately shows that the country is characterised by two big mountain ranges: the Alps in the north and the Apennine mountains along most parts of the peninsula.
people burning down forests and grow crops in the ashes. Cutting the hillsides into stair-step shapes in order to have flat places to plant seeds. They modify the environment so they have ways to grow food and crops. A negative impact of modification is it could cause a smog or rivers and streams.