All organic compounds contain hydrogen, and usually oxygen. nitrogen. phosphorus. sulfur carbon.

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

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

Precision can be defined as the o exact center of a data set. o reproducibility of a measured value. o correlation between two variables that are measured in a data set agreement between a measured value and an accepted value.