Answer:
Point no 2 and 4 are correct
Explanation:
100 points?
Tubers - they can act as both a source and sink for molecules such as glucose
Answer: Friction
Explanation: Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force.
The Van Allen belts are created by a planet's magnetic field. Therefore C. Earth's magnetosphere is the correct answer
