Answer:
Can you get a closer picture, then I can help! It looks like it says something on rain, hail and something else. I cant see it though! :)
Explanation:
Answer:
Chemical indicator, any substance that gives a visible sign, usually by a color change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow color to an alkaline solution.
Nitrogen I believe . I need 20 characters.
