Dilution problem. I tired M1V1 = M2V2 with M1 = 7.428M and V1 = 0.003L and V2 = 0.007L, but it was wrong. Is it supposed to be V2 = 0.01L (3mL + 7mL)?

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Explain why scientists use shared characteristics to make cladograms.

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d