Answer: Important characteristics of antimicrobial drugs include low toxicity for human tissues. High toxicity against microbial cells. Do not cause serious side effects in humans. Stable and soluble in body tissues and fluids. All of the choices are correct.
Explanation:
Answer:
Ans: Central Nervous System
Answer:
At the very bottom
Explanation:
When examining a cross section of rock layers, the oldest layer is on the bottom. This is because over time, newer rock layers continued to form on top of the oldest one.
