does someone know the name of this its from " science museum " and is DC : 9V i give brainliest pls help me find info on its name and what it does

Take a guess im getting rid of my account might as well do it in style a fishing boat, with a ladder in it, is leaning against a wall at the harbor. there are 5 oars and 2 fishing nets in the trawler. the distance between two consecutive steps on the ladder is 1 meter. if waves lashing against the wall rise a half meter in every half hour, how long will it take before 6 steps of the ladder are under the waves?

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution

The dashed segment of the plotted experiment in the graph in the lesson is called an