Question

Urgente! Atividade de inglês.

Answer 1

Resposta:

Useless=Useful / Small=Large / Great=Small / Secondary=Main

Explicação:

Solar energy has benefits and some limitations

Using solar energy has two main benefits:

(...) Solar energy systems on buildings have minimal effects on the environment.

Solar energy also has some limitations:

(...) The amount of sunlight reaching a square foot of the earth's surface is relatively small, so a large surface area is necessary to absorb or collect a useful amount of energy.

*Lembrando que esses dois SMALL são em sentidos diferentes.