Answer:
you can simply answer vl\t1=v2/t2
Answer: Both of these are of great concern to human health. BPA is used in many things including plastic bottles and food packaging materials. Over time the polymer chains of BPA break down, and can enter the human body in many ways from drinking contaminated water to eating a fish that is exposed to the broken down toxins.
Explanation:
I think you will get it
<span>They use a pH meter. The scale is called pH scale, any value below 7 is acidic</span>
