1.What has a bed but never sleeps? 2.What walks on four legs in the morning, two legs in the afternoon, and three legs in the evening? 3.The first day they give you it, the next day they take your money. What place is it? ANSWERS 1.A river. Humans are polluting bodies of water like rivers, and while doing that they also are decreasing our clean water supply and harming water creatures. 2.Humans are the main reason Earth is becoming less healthy. We need to take notice what we’re doing to our Earth. 3.A bank, like other buildings, needs trees to be cut down in order to be made. Cutting down trees lowers our oxygen supply, which isn’t a good thing.