Need the answer asap! 98 points
which turns sediments into sedimentary rock?
pressure and heat
weathering and erosion
melting
compaction and cementation

Compaction and cementation presses the layers and sticks the particles together. This creates sedimentary rock. Rocks underground get heated and put under pressure, and are changed into metamorphic rock. ... When the magma (lava) cools quickly, it turns into solid extrusive igneous rock.

compaction and cementation. When the sediments turns it into a sedimentary rock, the rock it's self is more compacted. Therefore it would feel like cement in a way.

answer; (c) on the left side; ; ; ; ; ; ; ; ; ; ; ; ; speech is localized on the left side of the brain;

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."