D. Chlorophyll a
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Answer:
External respiration: CO2 diffuses into the blood
Explanation:
External respiration is also called the pulmonary gas exchange. It refers to the diffusion of O2 from the air in the alveoli of the lungs to blood in pulmonary capillaries and diffusion of CO2 in the opposite direction from the capillary blood into the alveolar air. External respiration in the lungs is responsible for oxygenation of deoxygenated blood coming from the right side of the heart. The oxygenated blood is then returned to the left side of the heart.
Answer:
Option D, None of the above
Explanation:
Latent heat of fusion is the amount of energy required to change the phase of metal from solid to liquid. While Latent heat of vaporization is the amount of energy required to change the phase of metal from liquid to gas.
Now, in the question the unknown metal melts from solid to liquid when of energy is supplied.
None of the metal in the given set of options has "
metal Latent heat of fusion" equal to or near to
Thus, option D is correct.