Answer:
Light refracts whenever it travels at an angle into a substance with a different refractive index (optical density). This change of direction is caused by a change in speed. When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction
Hope this helps.
Answer:
Reproducibility is important because it is the only thing that an investigator can guarantee about a study. Contrary to what most press releases would have you believe, an investigator cannot guarantee that the claims made in a study are correct (unless they are purely descriptive) So reproducibility is important not because it ensures that the results are correct, but rather because it ensures transparency and gives us confidence in understanding exactly what was done.
(,IF THIS HELPED CAN YOU GIVE ME A BRAINYLEST PLEASE)
Cooling a substance causes molecules to slow down and get slightly closer together, occupying a smaller volume that results in an increase in density
I believe your pointing to number 16, I believe the answer is B
