Based on the Hertzsprung-Russell diagram, which two characteristics
best describe giants?

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.

answer: 45

explanationyou have to add as well to be it could be

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands