Answer:
Streptococcus mutans.
Explanation:
Streptococcus mutans is the bacteria (it is still a microorganism) that predominatly causes tooth decay. It is present in all areas of the mouth.
Barnacles belong to phylum Crustacea.
Answer:
Technology helps is by providing us with tools to pinpoint high and low spots in the ocean, it also helps us by giving us the tools we need to be able to search and find animals/plants in the ocean and then test them to see how they live/feed in the ocean.
Answer:
D
Explanation:
It not that appropriate since even concentrared substances have water but based on the current answers it's D