Design an experiment to test the Doppler effect. Address the following questions: What materials would you need to conduct your experiment?
What variable would you change in your experiment?
What would you expect to observe in your experiment?

away from the curb

explanation:

the wheels would then hit the curb if it started to rolling, decreasing the chance of an accident.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

there is none because earth is stationary and flat.