1
when the Earth can continue to provide us with air, water and food
2
petrol and gas arre examples of these
3
the people who live in a place
4
when we use something and we cannot do without it
5
things we spray on plants or use to clean our houses
6
petrol, gas, water and others are examples of these
7
make more
8
in all the world
9
make less
10
when we spend a lot for no reason
