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

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully