Which of the following statements correctly describes the movement of water? movement of water from to amount (km3/year) atmosphere ocean 398,000 atmosphere land 107,000 ocean atmosphere 434,000 land atmosphere 50,000 a) more water evaporates from land than is returned by rain. b) more water evaporates from the ocean than is returned by rain. c) more rain falls on the land than in the oceans. d) more water evaporates than falls as rain.

Aperson gives a shopping cart an initial push along a horizontal floor to get it moving, and then lets go. the cart travels forward along the floor, gradually slowing as it moves. consider the horizontal force(s) on the cart while it is moving forward and slowing. which of the following statements is correct? (a) both a forward and a backward force are acting on the cart, but the forward force is larger. (b) only a forward force is acting which diminishes with time. (c) both a forward and a backward force are acting on the cart, but the backward force is larger. (d) only a backward force is acting, no forward force.

Física: un futbolista patea hacia el arco con una velocidad de 15m/ah, calcular: a)el alcance para un ángulo de tiro de 25º, b) el tiempo que el balón permanece en el aire.

Give one example to show that when substances are mixed, it may result in a chemical or a physical change depending on the conditions.