Answer:
wowowooowwowowow ur welcom
Explanation:
eppepepepe ur welcome
Answer:
Diffusion
Explanation:
Diffusion is the process whereby molecules move from an area of high to low concentration
The oldest layers are on the bottom thats why they are the oldest. Super position is what it is called if thats what your asking.
Answer:
blood can still return via the deep veins
Explanation:
The venous system at the leg is known for its complexity and highly branched nature. The superficial and deep veins, both branches and connects with each other at different points along their length