During an experiment, if you purposely change the temperature to test a hypothesis, the temperature is called the

a.

manipulated variable.

b.

responding variable.

c.

hypothetical variable.

d.

dependent variable.

* i forgot okay don't judge lol*

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Can someone me with 3 and 4 plz. this is for masteries test.

Count the number of each type of atom in the equation below, and then balance the equation. write in the numbers of atoms and coefficients. add a 1 if there should be no coefficient. cs2(l) + o2(g) → co2(g) + so2(g) c [ ] s [ ] o > c [ ] s [ ] o [ ] cs2(l) + [ ] o2(g) > [ ] co2(g) + [ ] so2(g)