Columns on the periodic table are called C. groups.
False. It is the stomata, they<span> can open and close according to the plant's needs.</span>
The answer to this question is B
One of the major functions of erythrocytes (also known as red blood cells) is to carry blood gases such as oxygen and carbon dioxide around the body. Red blood cells contain the pigment haemoglobin which binds to oxygen and carries it around the body, releasing it and allowing the process of aerobic respiration.
B. The oldest crust is closest to the mid-ocean ridge.
