In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: If Milo is measuring the seafloor and he notices the level of spreading has decreased, what will happen to the sea level? 
 Answer: it will fall
Sea level rises if an increase in seafloor spreading rate buoys up the ocean crust, causing the ocean basin to become smaller.

Question: Compared to a ripple in a pond caused by a drop of rain, would a wave in the ocean have 
 Answer: more distantly spaced particles in its rarefactions
Places where particles of a medium crowd closer together are called compressions, and places where the particles spread farther apart are called rarefactions. The more energy the wave has, the closer together the particles are in compressions and the farther apart they are in rarefactions.

Question: The oxygen levels in water wind up going up when the temperature 
 Answer: decreases

Warm water cant hold as much dissolved oxygen as cool water, so an increase in the temperature of water decreases the amount of oxygen it contains.