Helllp pleaseee i will mark brainliest. Which of the following would reduce the amount of friction on a surface?
Water
Ice
Oil
All of the above

Long ago, people who lived in coastal north africa most often interacted with

In which type of economy do the forces of supply and demand typically drive prices? a. a market economy b. a traditional economy a planned economy d. a command economy select the best answer from the choices provided. 0 0 em oo 0 0

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?