What is a primary source? a. a textbook that explains a wide range of science topics b. a technical article written by an experimenter c. a newspaper article about a recent discovery d. a summary of research written for an average reader

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Which composition of water moves to begin a deepwater current?

Properties seen when one one substance changes to another are known as properties