True.
Why by Mimiwhatsup: Any organism can form organic substances from nutritional organic substances from simple inorganic substances such as carbon dioxide.
Changes in the gene pool are closely related to genetic mutations, which are a major part of evolution.
Answer:
B - Protons and Neutrons
Explanation:
This is because the electrons are in the electron cloud.
The correct answer for this question is letter C. Epiglottis is the one who prevents food from entering the trachea. It moves in a back and forth manner. When a person swallows, it covers the entrance of the larynx by flattening itself backwards.
