Which of these objects was made from a nonrenewable resource? question 13 options: 1) motor oil 2) paper bag 3) cotton shirt 4) wooden table

Which sentences describe disadvantages of burning fossil fuels instead of using hydrogen fuel cells? burning fossil fuels contributes to climate change. burning fossil fuels takes place inside expensive fuel cells. fossil fuels aren't widely available, but pure hydrogen is. fossil fuels are nonrenewable.

Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.