One isotope of element J has an atomic mass of 78.92u and a relative abundance of 50.69%. The other major isotope of element J has an atomic mass of 80.92u and a relative abundance of 49.31%. Calculate the average atomic mass element J.

Which of these sequences lists the correct order for the creation of sedimentary rock from sediment? a. deposition, burial, compaction, cementation b. burial, deposition, compaction, cementation c. compaction, deposition, burial, cementation d. cementation, deposition, burial, compaction

Sugar is dissolved in water. which is the solute? sugar neither both water

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy