2. The mass number tells the total number of nucleus of an atom. These particles collectively are called
both are located in the nucleus.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.

The best solution for preventing harm to people and pets from severe hurricanes involves determining and warning residents about what