Question

SO. ECONOMIC / ECONOMICAL
1. It's not very
to leave the lights on when you're not in the room.
Because of the recent strikes, the
situation of the country
is very bad.
3. She's an economist. She's an expert in
matters.
. It's a very
car. It uses very little petrol.

Answer 1

These are some method to make our economic as well as our environment and to use our resources in a sustainable manner