Answer: C
Explanation: It isn't impossible to pollute and it is a usable water source AKA wells
Answer: C) Some agents inactivate viruses by attacking cell membrane lipids
Explanation: Viruses have machinery in them to replicate and survive thereby making them resistant to antimicrobial control agents. They are not easily inactivated by antimicrobial control agents.
Answer:
B. we continue to grow new neurons, but we grow fewer new neurons than when we are young.
Explanation:
Scientists have now discovered that you can grow new brain cells throughout your entire life. The process is called neurogenesis. Specifically, new brain cells–which are called neurons.
Hope this helps.
Answer:
B. move by osmosis from solution B to solution A
Explanation:
Remember that osmosis as a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.