Answer: O many celled organisms
Explanation:
X-rays are the radiation that allows us to see through the skin to visualize bones
Answer:
The amount of oxygen in the atmosphere would decrease.
Explanation:
If a massive toxic spill kills off half the population of photosynthetic plankton in the ocean. That would mean that only half of the original population of plankton will remain. Photosynthetic plankton consumes carbon dioxide from the atmosphere during photosynthesis to produce energy and releases oxygen.
Epithelial tissues are the tissues that lines inside of hollow organs. <span> Epithelial tissues covers body surfaces; lines the body cavities and hollow organs.</span>