An american engineer who had been transferred to europe was asked to build bridge pilings exactly as he had in the united states. each piling required 20.0 cubic yards of concrete in the united states. how many cubic meters of concrete are required for each piling? given: + 1 yd = 0.914 m.

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".

the answer is option a.