Which is one factor that contributes to the formation of polar, temperate, and tropical zones?

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical