What is tom's initial observation, and what question or problem does it address?

The scientist can conclude that there is a decrease in the natural resources due to human activities. because of innovation and modernization of the environment, then there goes pollution and other bad effects that destroys the natural resources.

Lol why dont you actually do the work instead of have people do it for you. jk i do it too lol

They contributed many things, but here are some examples:

1) democracy - democracy as a political system was first implemented in ancient athens
2) some advances in mathematics - such as the pythagoras' law
3) the script - the roman script was adopted from ancient greek.

it is 354971000

hope this : )