Which types of redundancy are necessary for reliable alternatives in an environment of danger which could cause serious losses in case of operational failure?

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

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

In a set amount of time, a battery supplies 25j of energy to an electric circuit that includes two different loads. one of the loads produces 10 j of heat energy during this time interval. how much heat energy is produced by the second load in this time? explain your answer