Question

Alguém me ajuda... 1- choose the sentenças below ...

Answer 1

1-

Frases que estão na passive voice: b, d e f

b. is threatened by

d. is caused by

f. is defined as

2-

The performer(s) of the actions are in each sentence:

b. desertification

d. physical, biological, social and economic factors.

f. climatic variations and human intervention.

Espero ter ajudado ^-^