Consider the video demonstration that you just watched. a more complete explanation of what you saw will be possible after covering newton's laws. for now, consider the following question: how would the result of this experiment change if we replaced the ball with another one that had half the mass? ignore air resistance.

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !