ANSWER
The main cause of deforestation in the Brazilian amazon is Cattle ranching.
Step-by-step explanation:
- Livestock and cattle farming has been tremendously increased in the Brazilian amazon.
- This has been the main cause since 1970 for the deforestation.
- The large scale of deforestation has been done for the cattle ranching purpose which has reached about 37% of total deforestation.
- It is the largest rain forest in the world and people have been destroying it for the purpose of farming and cattle ranching.