Why dose there need to be both consumers and producers in an ecosystem?

If you started the motor of a boat in the middle of a lake, who would detect the sound of the motor first: a friend sitting on the shore of the lake, or a friend snorkeling just below the surface of the water along the same shore?

For current to flow, the current must be ...

Why do animals float when they die

The circumference of a circle is 60π cm. What is the length of an arc of 140°?

It is past midnight and Sue is sliding down a rope from her third floor pts window to meet her boyfriend. As she slides down the rope faster and faster she becomes alarmed and gradually tightens her grip on the rope.

What caused the slope to change around 1905 and 1906?

What are sound waves

Technician A says if a system fails to alter dwell when it should, the ignition control module needs to be adjusted to correct dwell timing.

How do you find potienal energy

You are working on a curcuit that starting to get too much current. What could you do to slow down the electron flow? A) add more watts B) increase resistance C) increase voltage D) add more volts