Question

North - west region of Brazil receives heavy rainfall, because...
1. This region is near to the equator.
2. There are dense forests in this region.
3. This is mountainous region.
4. Cloud formation is very high in this region.

Answer 1

North - west region of Brazil receives heavy rainfall, because This region is near to the equator.

Answer 2

Explanation:

North - west region of Brazil receives heavy rainfall, because Brazil situated near to the equator. So 1. This region is near to the equator is the correct answer.  Apart from that, dense forest of Brazil is another reason for heavy rainfall. But other options like cloud formation is very high and mountain region is not correct because mountains cannot bring the rain and cloud formation can be done at high level on the seaside areas.