Calculate the amount of salt to dissolve into a 30-ml solution for each of the following petri dishes: 0%, 0.5%, 1%, 1.5%, 2%.

it have destructive character

first one is the correct answer

the atomic mass is the bottom number on the element.

-steel jelly

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >