How can you determine that a star is about to turn into a red giant
a. what a large amount of helium has turned into hydrogen
b. when the pressure inside the star exceeds its temperature
c. when the star falls into the sun
d. when a large amount of hydrogen has been turned into helium
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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".