Which of the following are major rivers in southeast asia

Are there choices? it would really me you me to answer this question : ). if not then here is a list of rivers that i got online, i will leave a link so that it isn't copyright : ). irrawaddy river, salween river, chao phraya, mekong, and read rivers.   and here is the link: if this , let me know, and mark brainliest, s much : )dear i hope this is not against your rules, i am just trying to my good friend billystofan : )

Its in the national history museum and you can't se the original because its locked away in a vault 

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.