One student uses a meter-stick to measure the thickness of a textbook and obtains (3.2 cm +/- 0.2 cm). Other students measure the thickness with Vernier calipers and obtain four different measurements. Which of these four measurements, if any, agree with that obtained by the first student?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents