What is the difference between refraction and reflection? In refraction, light travels from one medium to another.
Refraction only happens in liquids.
In reflection, light travels from one medium to another.
Reflection only happens in a liquid.

Select the correct text in the passage. the moving continents affect all subsystems on earth. which sentence identifies a potentially negative consequence of shifting continents? the supercontinent pangaea began to break up about 175 million years ago. [during this process, more coastline was exposed as the landmasses separated]. [the rearrangement and displacement of these huge landmasses resulted in the diversity of plants and animals we see on earth today]. [the movement of the plates sometimes leads to earthquakes and tsunamis]. however, over the long course of earth's history, their effects are usually minimal. in oceans, the plate movements usually lead to seafloor spreading. [seafloor spreading often results in the formation of underwater ranges of mountains].

Name one type of data that h-r diagrams do not show.

Most tornadoes carry winds speeds in a range of km per hour