What are 3 types of galexies? spiral , irregular ! ?

Which type of current is produced by a wire breaking magnetic field lines and changing the polarity? a. alternating b. direct c. straight d. alternating and direct

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

Atelevision set that has been running for a while heats up even the air around it. which two laws of thermodynamics could be used to analyze this scenario