D. To help oxygen get into blood vessels
Because the heads are polar/hydrophilic so they will be attracted to the water which is also polar whereas the tails are non-polar/hydrophobic so they will avoid the water at all cost.
I believe the answer is A the definition of a non renewable resource is “A non-renewable resource is a resource that does not renew itself at a sufficient rate” A is the only option to fit the definition
Answer:
a force between elementary or subatomic particles that holds quarks together to form protons and neutrons, and also binds protons and neutrons together in the atomic nucleus.
Answer:
A plant's circulatory system is the way for a plant to get carbon dioxide and nutrients to every cell in its system. It is also the way for a plant to get rid of toxins and waste from its system