Which of these are not a natural resources: solar energy, wood, iron, diamonds.

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Which lists the organs in the correct order as food passes from the mouth to anus?

It is really hard for me right know