A chemist combines 33 g of methane with 289 g of oxygen to form 189 g of carbon dioxide and 30 g of water

Smog is the term used to describe the combination of fog and smoke

If two objects at different te,peraure are in contact with each other what happens to their temperature

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.