Topsoil is considered to be most fertile when it has a

a. low ph level

b. low sand content

c. high organic matter level

d. high parent rock material

At stp, what is the volume of 1 mole of co2?

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

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?