Belle’s grandfather lives in a region where the temperature drops below 0°F at night. When Belle visited her grandfather, they hiked up a hill. Belle noticed that a lot of rocks had cracks in them. She also found quite a few rocks that had split into pieces. What most likely caused the rocks in this region to weather?

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

i believe it is-

d.) gravity pulled particles of dust and gas together to form planets.

10 years is the answer