Some states have a traffic law requiring passengers under the age of 18 to wear a seat belt. Which statement is correct about the traffic law? It is a scientific law. It is a societal law. It will always remain the same. It describes a natural process.

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt