Answer:
Hydrogen, <em><u>H</u></em>
Aluminum, <em><u>Al</u></em>
Cobalt, <em><u>Co</u></em>
Answer:
Explanation:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.
Answer:
diaphragm
The diaphragm is a C-shaped structure of muscle and fibrous tissue that separates the thoracic cavity from the abdomen. The dome curves upwards.
Explanation: