1. How much force is required to cause the object to move ? 2. Once moving, how much force is required to keep the object moving without slowing down?
3.What trends does this graph have?
4.Why is there a change needed in the force of friction?

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation:

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