Answer:
Explanation:
Graphite is a mineral composed of stacked sheets of carbon atoms with a hexagonal crystal structure. It is the most stable form of pure carbon under standard conditions. Graphite is very soft, has a low specific gravity, is relatively non-reactive, and has high electrical and thermal conductivity
Answer:
its from top to bottom trust me
Explanation:
Explanation:
first blank is; Mitral valve.
2nd blank is; Left Ventricle