To answer your first question, all the countries that are listed boarder the Mekong river, but only Myanmar is not in the Mekong River Commission.
To answer your second question, the correct answer is Japan.
To answer your third question, rice is by far the dominant crop of Asia.
To answer your fourth question, the answer is the Soviet Union
Changing the environment generally, by executing such things as wildfires being purposely set, trees being cut down, hunting, and more. Inspiring new things to humans once one thing is spread to another, and the ways of one persons idea towards reaction of their environment that the person is in, following up in the environment for another person.
Nations of the world can work together to use energy more efficiently.
The difference between a dry climate and a tropical climate is that the dry climate as you know is dry and the tropical climate is moist and wet, the compare is tropical wet climates receive much more rain than tropical dry climates do. However, the term “tropical wet and dry climate” actually refers to a single type of climate. Tropical dry climates occur in deserts, while tropical wet climates usually occur along the rainforest belt.