Which two groups of organisms were commonly found during the jurassic period?
a. sharks and birds
b. ammonites and belemnites
c. insects and flowering plants
d. marsupials and monotremes

Actual age your first developed of age well comparison age refers to absolute age true or false

Match with o for organic and i for inorganic for each compound

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?