Use the letters to mark the centimeters and millimeters on the ruler. The first one (A) was already done

1 - wave length

2 - amplitude

3 - crest

4 - trough

explanation:

duh.

the body's situation won't change the forces are equal opposit and on the same body

the earths atmosphere is made up of nitrogen and oxygen. solids can turn into gasses through a process called sublimation. sublimation is the transition of a substance directly from the solid to the gas phase, without passing through the intermediate liquid phase.

hope this : d

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.