What is the Breadth, Depth, Duration of Zero waste and Ban on plastic bottles?

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

If the distance between two points on the ground is 10 miles and the distance between the same two points on a map is 4 inches, what is the map scale expressed as a ratio?