Which of the following terms best describes air a. element b. compound c. mixture d. none of the above

You are traveling in a car going at a constant speed of 100km/h down a long, straight highway. you pass another car going in the same direction which is traveling at a constant speed of 80km/h. as measured from your car's reference frame this other car is traveling at −20km/h. what is the acceleration of your car as measured from the other car's reference frame? what is the acceleration of the other car as measured from your car's reference frame?

How to calculate voltage drop in a series circuit

Select the correct answer. what does the process of natural selection involve?