Some historians compared an old map of a river in a rural area of the Piney Woods to a current map of the same river. The historians observed that the old map showed the river with a different flow pattern from the current map. Which process below explains the change in the river's flow?

your answer would be a. 12.5 kg

i do not get it   at all

is there any options? maybe im just not seeing them but i need the options to

-love shrooms

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.