A water source is polluted with lead. If a 15,000 g solution containing 0.11 nunf lead, calculate the concentration in parts per million.

there are no statements provided but here is why:

sulfur belongs to group 16 because it can be found in nature whether it is in a free or combined state.

hope this

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.