What do scientists study to reconstruct past climate conditions? tree branches, pollen grains, and rain water pollen grains, tree rings, and fossils rain water, tree rings, and fossils fossils, pollen grains, and tree branches

The distance a car travels between the time the driver decides to stop the car and the time the driver puts on brakes is called the reaction distance. how does the reaction distance change with speed? a.reaction distance decreases with with speed b.reaction distance stays the same with speed c.reaction distance increases with speed. d.there is not enough information to answer the question