The burning of fossil fuels will affect the carbon cycle because it will put more carbon in the air, causing the carbon dioxide rate to increase and it will eventually lead to global warming
<span>A collection of mechanisms, behaviors and physiological processes that prevent the members of two different species that cross or mate from producing offspring, or which ensure that any offspring that may be produced are sterile :)</span>
Answer:
Viruses are often considered non-living because outside of a living cell, they do not exhibit the characteristics of living organisms: they are basically like crystals. But within a living organism, they become activated and are able to carry out life's activities like replication (a form of reproduction).