HELP ASAP The north pole of a bar magnet is moved close to the north pole of a second bar magnet. What prediction best
describes how the first magnet responds when it is released?
O It will move toward the second magnet because like poles repel.
O It will move toward the second magnet because like poles attract.
O It will move away from the second magnet because like poles repel.
O It will move away from the second magnet because like poles attract

Why does his teacher ask him to balance the equation by including the correct coefficient

Is a chemical message sent by another individual.

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