A or B. Because the respirtory system’s main job is to move air into your body while removing waste gases
Answer: Place a pattern in sand to create a mold.
Incorporate the pattern and sand in a gating system.
Remove the pattern.
Fill the mold cavity with molten metal.
Allow the metal to cool.
Break away the sand mold and remove the casting.
Explanation:
Answer:
All of the above
Explanation:
they all flow into each other like family just trust me it is right ;)