<span>settable solids, i hope this helps </span>
Answer:
Arteries carry oxygenated blood away from the heart. Veins carry the blood back to the heart. Veins contain valves that ensure blood flows in only one direction. Arteries don’t require valves because pressure from the heart is so strong that blood is only able to flow in one direction.
Explanation:
BLINK protein speeds up stomatal movements in response to light fluctuations resulting in improved plant growth and water use.
Plants can't move, so their “blinking” helps protect them from burning or bleaching when they are in bright sun.
I'm not sure if the first part is right, but I do know the second part is.
Answer:The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.
Explanation:
