The younger rock would be black and have like no stains and it would not be as dirty as the older rock hope this helps!!1
Answer:
License vocational nurse
Explanation:
A license vocational nurse also known as a license practical nurse works under the supervision of a qualified registered nurse or a physician providing bedside care to patients. They as well collect samples for testing in the laboratory, also they can as well deliver ,care and feed infants.
A licensed practical nurse can also supervise nursing assistants or aides.
Answer:
The Diaphragm
Explanation:
"As the diaphragm contracts, it increases the length and diameter of the chest cavity and thus expands the lungs. The intercostal muscles help move the rib cage and thus assist in breathing." - https://www.merckmanuals.com/home/lung-and-airway-disorders/biology-of-the-lungs-and-airways/control-of-breathing