Tomato juice has a ph of 4.20. calculate the [h3o+] and [oh–] in tomato juice.

Define dew point. i am writing this part to be able to ask the question

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

What causes different colors to appear in the sky? the absorption of light by air molecules the reflection of light by bodies of water the greenhouse effect in earth's atmosphere the scattering and reflection of light by dust particles