Answer:
b
Explanation:
a semi permeable membrane requires no energy since it allows safe passage of molecules from low to high think of it like a tea bag it has a high concentration and the low concentration is the hot water.
I hope it helps
Answer:
its ik bc i looked it up its number d
The answer for this question is b Oswald Avery
C. Less than 5% because technology had been formed and better perfomances to treated the infectious diaeas