I would assume because of where san francisco is i suppose that it just depends on where your located at
the answer is gene- the combined DNA from your mom and dad which makes up your full set of DNA.
Answer:
because of factories and cars and smoking
Explanation:
Unfortunately this question is incomplete as no options are provided. IN actual fact,<span> four muscles are involved in mastication. Three of these are responsible for biting down, namely the masseter, the temporalis and the medial pterygoid, whereas one, the lateral pterygoid, is responsible for opening of the jaw</span><span>. All four muscles help to move the jaw laterally.</span>
Answer will be germs like bacteria, virus, fungi, and protozoa that can cause disease
