Which of the following is not a skill scientists use to learn about the world?
a.
predicting
c.
inferring
b.
observing
d.
scientists use all of the above skills

These traits describe either a chemical or a nuclear reaction. which statements describe a nuclear reaction? check all that apply. involves the loss, gain, or sharing of electrons may involve a change in total mass involve relatively low energy changes occur outside the nucleus involve very high-energy changes involve changes in nuclides when decay occurs