As magma meets the water, it cools and solidifies, adding to the edges of the sideways-moving plates. as magma piles up along the crack, a long chain of mountains forms gradually on the ocean floor. this chain is called:

ANSWER:

As magma meets the water, it 'cools and solidifies', adding to the 'edges of sideways-moving plates' as magma piles up along the crack, a 'long chain of mountains' forms on the 'ocean floor', this process or the chain is called Seamount.

EXPLANATION:

in 1948, swiss engineer/amateur mountaineer george de mestral went hiking in the woods with his dog. when they arrived back home, george found burrs stuck to his dog’s fur. this inspired him to create velcro.

explanation:

amazon river is the right answer i took the test