Which material is primarily a mixture of weathered rock and organic matter?
1) minerals 2) soil 3) ocean water 4) seashells

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?

Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology