What is earth heat source?

The study of where things are 

When two tectonic plates collide and one or both push upwards they also push up the crust,a mountain will for so that will be your answer. hoped this

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 : )

The correct answer is minnesota