High pressure in the lymphatic vessels, contraction of the tunica media, and elastic recoil of connective tissues in the vessel walls push lymph through the vessels. valves in the lymphatic vessels push lymph toward the heart. gravity keeps lymph flowing toward the heart contraction of surrounding muscles and pulsing of adjacent arteries move lymph through lymphatic vessels toward the heart.

Yes yes yes very good

Volcanoes make new rocks so not ahotspots are the the stuff that makes volcanoes mid atlantic ridge(mar cause i’m lazy) is a constructive plate boundary so it makes sense that new rocks would be found near it, also the mar is in the middle of the ocean so it fits the description deep ocean trench, umm, there’s no ocean trenches to where you’re goingso the mar is most likely the answeri wouldn’t trust me but hey why not