If the bus had a mass of 1,021kg how much does the bus weigh?

What are chlorofluorocarbons and what impact do they have on the atmosphere?

What is the acceleration of a spaceship that is initially at rest and then speeds up to 220 m/s in 20 seconds

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.