Which of the following is a chemical change

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

The diagrams show objects’ gravitational pull toward each other. which statement describes the relationship between diagram x and y? gravity attracts only larger objects toward one another. gravity attracts larger objects only if they are close to one another. if the masses of the objects increase, then the force between them also increases. if distance between the objects increases, then the amount of force also increases.

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.