Students make weather observations outside the school building, and then they record their observations. Which observation should be recorded as a fact?
A: The wind is blowing at 5 m/s.

Plants can help prevent erosion or contribute to erosion. Which describes how plants could contribute to erosion?
A: Plant roots grow in rocks, breaking the rocks.

Michael has a pencil case made of pine wood. The surface of the pencil case scratches and dents easily. He wants to make a new pencil case that will not scratch or dent easily. Which of the following should Michael do to make a new pencil case that will not scratch or dent easily?
A: use a different material to make the pencil case

Ice will form on small ponds when the temperature drops below 0°C. Which property of ice is most beneficial to fish living in these ponds?
A:
Ice had a density lower than the density of water.