Which indicator shows whether a solution is acidic or basic, but not how strong it is? a)
pH paper
which turns blue in acids and red in bases.
Ob) pH paper which turns red in acids and blue in bases.
c) Litmus paper which turns red in acids and blue in bases.
d) Litmus paper which turns blue in acids and red in bases.

Option C

Explanation:

Litmus paper shows only whether the solution is acidic or basic, but not how strong it is.

=> Base turns the red litmus paper blue

=> Acid turns the blue litmus paper red.

idk what the question is about

the answer is:  

line graphs show patterns in data with variables that change over time; whereas, circle graphs show data as parts out of a whole (such as out of 100%).