In an area of the deep ocean, hot magma emerges from a crack in earth’s crust. which statement describes what will happen to the seawater above the crack as a result of convection?

water molecules will break apart and flow in a circular pattern.
water molecules will bond together and rise upward.
the water will become more dense and sink downward.
the water will become less dense and rise upward.

someone answer this, i have taken my cumulative exam 7 times now on edgenuity and i cannot pass it, i don't know if this is one of the questions i'm getting wrong but it shows up every single time. so someone, for the sake of my well being, answer this question.

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half