L7 Stars
A. H He trace amounts of Li

Stars 2
A. protostar
B. 10^7 Degrees C

Stars 3
A. fusion

Stars 4
A. radiation pressure and gravity

Stars 5
A. main sequence
B. red dwarf and blue giant
C. regular - hydrogen fusion in the core; rg/rsg - hydrogen fusion in shell surrounding the core

Stars 6
A. few million years

Stars 7
A. rg - helium rsg - iron
B. rg - helium flash rsg - supernova
C. rg - white dwarf rsg - neutron star/black hole
D. planetary nebula

Stars 8
A. In supernova explosions

Stars 9
A. 2−3 Solar masses

Stars 10
A. a rotating neutron star with its magnetic axis misaligned with its rotation axis