Extracting aluminum from bauxite ore requires 20 times more energy than extracting it from aluminum from recycled sources so therefore that is a good reason to promote its recycling starting with pop and beer cans which are things that most of us use.
Answer:
B
Explanation:
Emergency Medical Technicians (EMT) are responsible for offering basic care at a scene of incident while the patient is being taken to hospital.
They perform emergency medical assistance such as CPR and wound bandaging.
They are expected to offer quick reaction and and competent care since peoples lives depend on them.
However since they are not expected to go beyond or above their scope of functions since they are not trained doctors.
Answer:
This is because fluids have a polar nature, so they couldn´t cross the lipidic bilayer that constitutes the plasma membrane
Explanation:
Plasma membranes are contituted by lipid bilayers. These kind of compounds are hidrophobic (they reject water) and don´t permit the freely passage of hidriphilic molecules that can disolve in water, constituing fluids. Because of that cells developed transport mechanism like endocytosis.