Answer:
B. Protein is composed of DNA which is produced in the cell
Explanation:
Answer:
When the diaphragm contracts (it's a large flat muscle), it pulls the lungs down this causing expansion which eventually lead to inhalation of air. If it's injured, then that will be affected.
Answer:
B. By taking in inorganic substances
Explanation:
When you think of autotrophs, you may think of plants, and how do plants get nutrition?
By taking in inorganic substances like carbon dioxide or sunlight, then converting it into energy.
Answer:
there is no picture so I can't tell :)