The answer is A because An Indicator" changes color when it comes in contact with an acid or a base
An indicator could be anything like:
1) Litmus paper
2) Bromothymol blue
3) Phenolphthalein
Answer:Particulates are small, distinct solids suspended in a liquid or gas and example are dust,soot,and salt particles
Explanation:
The closer you are to the ground the more accurate you'll be. That's why most snipers are in the "prone" position.
Answer:
ans 5
Explanation:
hope it's help It seems to me
At the center, when the bob is hanging straight down
