The most common antibiotic for infections is penicillin.
The answer is C. Mice are mammals so they need to feed on their mother's milk to survive for a few months. After a while, there mother teaches them how to hunt for food. The other animals like frogs, turtles, and snakes leave their babies to fend for themselves.
The answer would be chlorophyll
usually, ionic bond occurs between metal and non metal
here Na is metal and Cl is non metal
so bond in NaCl is ionic bond