Answer:
Photosynthesis and cellular respiration allow the carbon and oxygen that organisms consume and produce to be cycled through the ecosystem. They work together so that what is made from one process is used in the other. Without them the ecosystem would run out of carbon dioxide and oxygen, and everything would die.
1. what it looks like 2. smells 3.feel 4.what happens if mixed with other properties
Answer: virus are nun living virus do not have all the characteristics of living organisms they are not made of cells do not use in and obtain energy they do not respond to the environment.
Explanation: