Answer:
d. sewage treatment and nitrous oxide
Explanation:
Answer:
It's winter in your area. (b)
Explanation:
Sex is important because its how we reproduce we create new life so that they can create new life and so on with out sex theres no life if that makes sense
A biological system is a complex network of biologically relevant entities. ... Examples of biological systems at the macro scale are populations of organisms. On the organ and tissue scale in mammals and other animals, examples include the circulatory system, the respiratory system, and the nervous system. source: google
Personally, I think since all the changes in the world are affecting the natural environment adaptive traits are important so that they can help maximize its reproductive success so its species can survive.
