Which of the following statements about the use of nuclear energy is true? a. nuclear energy cannot be used safely. b. nuclear fusion has no known useful applications. c. nuclear fission is currently more useful for producing energy than nuclear fusion. d. nuclear fusion has fewer safety risks than nuclear fission.

he uptake of drugs from the intestine is often strongly influenced by diffusion. for example, consider a water-insoluble steroid for treating inflammation that is solubilized in aggregates of detergent molecules, called micelles. these micelles, aggregates of 80 soap molecules, have a molecular weight of 24,000, a diameter of 2.6 nm, and a charge of -27. the positively charge ions (counterions) in this system are na".