Power transmission lines have transformers between the high voltage supply lines and the consumer (household or home). These transformers — A. create electrical energy just prior to delivery

B
lower the voltage to a reasonably safe level

C
control the amount of energy delivered to the home


D
store electrons for immediate use when demanded by the consume







How will the system respond to a temperature increase?

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.

Explain what will happen if decomposers were apsent from a forest ecoysystem.