Answer: C, A, D
Explanation:
lemme get brainliest bruv
its d . electron because it has a negative charge of however many there are that are circling the atom
B.
pain, swelling, and a local rise in temperature.
Answer:
The answer for this is a protein D
Answer:
Birds require high levels of oxygen and, therefore, high rates of gas exchange due to flight demands. Avian resting oxygen consumption is high compared to that of mammals and other vertebrates, and this increases even more during the flight.
Explanation:
Compared to mammals, birds have specific adaptations of the respiratory system that result in higher levels of oxygen exchange.
