The diagram below shows a desert food web. How will a large decrease in the number of rats impact the food web shown above?

Decrease of snake, coyote, and hawk population. Increase of sagebrush and cacti.

Reasons:

The rats are aten by the snake coyote and hawks so if a food source is taken from them they are going to have to fight more for food. The rats eat the sagebrush and cacti so if they arent getting eaten as much, they have mroe ime to produce.  

the motion of a pendulum is a classic example of mechanical energy conservation. a pendulum consists of a mass (known as a bob ) attached by a string to a pivot point. as the pendulum moves it sweeps out a circular arc, moving back and forth in a periodic fashion.

conservation of mass

mass before something happens = mass afterwards