Answer:
Deforestation
Explanation:
Deforestation is the primary environmental cost of Southeast Asia's dominance in exports of rubber and palm oil.
Deforestation is the permanent removal of trees to make room for something besides forest and this occurs in the Southern Asia to make room for Rubber and palm oil which are significant in Malaysia, Indonesia, and southern Thailand etc.
Demand for these commodities cause the environmental concerns over deforestation as the main concern in Southern Asia.
temperature and amount of rainfall
B. It encouraged exploration for a new trade route
People can fly planes into the air and release chemicals into the air if they really need the rain and sometimes a storm will form. Increase in pollution can because all the gas and chemicals that come off the pollution will go into the ozone layer and cause an increase in moisture which could cause rain clouds to form. One last thing is evaporation, condensation, and precipitation. Plants absorb water and moisture then it would evaporate into the air which would form rain clouds, then the rain clouds would have rain in them and then rain would fall out of the clouds.