How does having no nucleus effect an rcbs life span?

Which is a characteristic of mixtures?

In apex! a liquid heated beyond a certain temperature becomes

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