Answer:
a.
Explanation:
Engery is the driving force of the oxygen cycle is photosynthesis itself, which is responsible for the creation and maintenance of earth's atmosphere.
Answer:
Farms
laundry detergents
pet wastes
Water treatment plants
Explanation:
Because its not construction materials or mining wastes.
It’s negative because the small fish provide food for the bigger fish
Answer:
A group of bacteria that accumulate in layers and secrete an protective extracellular material.
Explanation:
The biofilm is a natural way how the bacteria get together to survive in an ecosystem or in another living thing. They build little by little this kind of building with different layers of bacteria that secrets a polymer, this protection polymer could be useful to protect the colony or to be attach to another cell or to a tissue. In medicine and in veterinarian studies is interesting because can be useful to create a film to protect some injuries.
The allele that is masked is recessive. The one which masks it is dominant.
