Question

ME AJUDEM POR FAVOR!!!
Alguém pode me ajudar a responder, as questões estão na foto.

Answer 1

Resposta:

a)

1. University research.

2. Households around the world.

b)

1. A group of people living together.

2. In the USA.

3. 3.4 people.

4. Because the impact on the environment isn't as bad.