A(n) WHAT is the combination of two or more types of matter. mixture or solution the subject is science please I need help

What was the procedure by which case united states vs lopez went to court

Based on its chemical properties, identify the position of each chemical family on the periodic table.

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.