The Polio virus usually enters the environment in the feces of someone who is infected
Polio spreads from muscle to the central nervous system by neutral pathways
Answer:
D
Explanation:
D) Volume mass and density
volume mass and density do not change because when the necklace is melted down it doesn't change the amount or density of the necklace.
Bright sunlight, lack of competitors, and more carbon dioxide
ITS FLAGELLA THEY ARE FOUND IN ALL 3 KINGDOMS OF CELLS
