Water continually evaporates, condenses, and precipitates, and on a global basis, evaporation approximately equals precipitation. Because of this equality, the total amount of water vapor in the atmosphere remains approximately the same over time.
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Mass value/Weight. This is expalined in archamedies principle
Answer:
option A is the correct answer
If the shopping cart is parallel to the ground, the weight is acting vertically downward, then force is equal to weight. The normal force will be acting perpendicular to the ground,and acting upward opposite of the weight.
B. The reference point is the 0 of a straight line description. Left of it would be negative and right of it would be positive.