A planet has less mass than a galaxy and more mass than the star it orbits.
True
False

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.

Which organelle plays a role in intracellular digestion?