Answer:
N, O, R
Explanation:
Thanks for answering bro, you saved me
Alexander Fleming and penicillin is used to help fight gram positive bacteria and other bacterial infections
<span>density = mass / volume
given the quotient , we have density and mass, volume can be easily calculated as:
volume = mass / p =15.5 g / 0.789 g/cm^3
=~ 20 cm^3 (dimension ally constant)</span>
I know it would be calcium chloride, not sure why. Maybe someone could answer that part.
.ANSWER:Copper is a ductile metal
EXPLAIN :This means that it can easily be shaped into pipes and drawn into wires. Copper pipes are lightweight because they can have thin walls. They don't corrode and they can be bent to fit around corners.
