Need quick! Please help rn! THANK YOU!

Is this a scientific model? use complete sentences to explain why or why not. a graphic organizer showing the water cycle

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

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