Which of the following is an example of a solution?
sand in a bottle of water
air
iron filings mixed with sawdust

As you move from right to left on the periodic table the atomic radius fill in the blank

__can be defined as which velocity changes

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?