When the equation Na(s)+ H2O(l) ---> NaOH(aq) + H2(g) is correctly balanced using smallest whole numbers, the coefficient of the water is
A.1
B.2
C.3
D.4

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

Joan writes four numbers on the board in standard form, and then she writes their scientific notation