Q: Paco throws a ball. What force pulls the ball down toward the ground?
A: gravity
Q: A student standing near a campfire feels warmer as the fire grows. Which process most likely transfers heat from the campfire to the student?
A: radiation
Q: A marble is dropped in a glass of water. Which force pulls the marble to the bottom of the glass?
A: gravity
Q: In large industrial cities, the emissions from fossil fuels cause the atmosphere to change. Which process allows the atmosphere to change?
A:
increased buildup of greenhouse gases