Vein because they have valves to prevent back flow of blood.
The answer is Vascular tissue
If DNA is found at a crime scene it can help locate people that were at the crime scene. If the criminal has committed crimes before their DNA will already be in the police system. If not they can take samples from suspects and pinpoint who committed the crime.
Answer:
toward the 20% solute side of the membrane
Explanation:
that is the process of osmosis, in which the water moves in the direction that tends to equalize the solute concentrations on the two sides.
Basically it's to make it 50% 50%, so the water moves to the 20% solute side to raise the %
I hope it's clear enough.
