Match the following phases of stellar evolution to its characteristic. black hole
red giant
black dwarf
brown dwarf
white dwart
does not undergo hydrogen fusion
has an outer shell of burning hydrogen
and a core of hellum
a white dwarf that has lost all its energy
has a core of carbon that is not massive
enough to fuse
>
formed from the collapse of a white dwarf beyond 1.5 solar masses

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

The sketch shows a rynchosaur, an extinct animal that is known only from fossils. there has been much debate about the classification of these creatures. some scientists suggest that they belong with primitive amphibians, and some think they are related to snakes and lizards. the data equally support both cases. which statement best explains how to draw a cladogram that includes the rynchosaur? draw the cladogram for amphibians. draw the cladogram for reptiles. draw two cladograms, both showing the traits, and leave it as a hypothesis. draw two cladograms, both showing the traits, and have scientists vote

During which phase does earth see more than half of the moon's surface? 1)first quarter2)third quarter3)waxing gibbous4)waning crescent