Dams are built to create reservoirs.
over rivers
If you use your dictionary, you can learn lots of things - like the fact that a dam is something that is build across a body of water that blocks the flow of the water. Everything else on the list is some form of water.
a lake
bridges...
Build store is an american company. Build store has branches across the world. The main business that they deal in is allowing people the opportunity to build a bear.
From a build up of static electricity.
Coast (ocean), rivers, lakes, waterfalls, rapids
Bodybuilders often tend to like to build their bodies. That is why they work out every day. To build their bodies.
So they can see there enemy faster and shot down and not across.
So people can either get across water or help animals cross over motorways to different fields
Mostly by eating the bodies of other living things, ie. meat.
People had to learn to make clothes and build shelter because if people didn't have clothing they would be in the "nude" or naked. Another reason would be if people didn't have clothing they wouldn't have any warmth on there bodies and they could get very ill. People learned how to build shelter because if there wasn't any shelter people would be living on the streets with no warmth, comfort, and protection.