Choose the answer that best describes what kind of substance shampoo is.
heterogeneous mixture or homogeneous mixture

How many grams of aluminum will there be in 98g of al2o3?

What is the main reason why some developing countries fear the increase the free trade policies around the world?

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.