What kind of contaminants relate directly to food, such as bacteria, viruses, Molds or parasites can create toxins? biological contaminants physical contaminants chemical contaminants abrasion contaminants?

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Consider the following reaction at equilibrium. 2co2 (g) 2co (g) + o2 (g) h° = -514 kj le châtelier's principle predicts that the equilibrium partial pressure of co (g) can be maximized by carrying out the reaction a. at high temperature and high pressure b. at high temperature and low pressure c. at low temperature and low pressure d. at low temperature and high pressure e. in the presence of solid carbon

How do dying stars contribute to the formation of planets