Three layers. The epidermis is the top layer of skin. This layer is for making new skin cells, provides a waterproof barrier, gives skin its color and is your protective layer. The dermis which is responsible for supply blood to your skin, hair growth, and the production of sebum (oil) and sweat. Lastly, the hypodermis which is basically made of connective tissue and fat and good for regulating your body temperature (1, 2, 3).
Answer:
plants doing Photosynthesis give off oxygen for a human to use in cellular respiration vise versa
Explanation:
I dont have a calculator on hand but what you gotta do is add those two numbers up, making 13,077, then add an extra 327 to get the full d of earth then multiply that by pi to get the circumference of earth and you got the orbit
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