when air molecules collide with things around us, it produces (2 words), which is measured with a .

✔ When air molecules collide with things around us, it produces pressing force , which is measured with a Pressure gauge.

answer; talc and gypsum;

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".