This seems easy.. You got this.
Answer:
Your DNA is basically your human code
Explanation:
The DNA contains what makes you, well you, and it also contains the codes for how you will grow, your health, and reproduce. Your DNA is vital if it gets damaged or something happens along the way the message can't go through, that's when deformities and others things can happen.
Answer: C
Explanation: It isn't impossible to pollute and it is a usable water source AKA wells
Answer:
I don't understand it I am so sorry