Both matter and energy cycle through systems in nature. How are aerobic and anaerobic respiration part of one or both of these cycling systems? (I also provided a YT video that my teacher had given me) https://youtu. be/TcMqVnVG3Zk

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue