Which of these statements is true about the behavior of light?

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects

Describe cytokinesis in plants and animals. in animals: in plants.

Aseries circuit contains a 30 e resistor, a 20 resistor, and a 10 resistor. the power supply provides 100 v to the circuit the current in the 10 resistor, to two significant figures, is a.