1.7 x 10 cm= significant figures

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

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 is one real world example of a colligative property?