An example of mutualism would be
a) a tick living on a deer.
b) a leech living on a person.
eliminate
c) two dogs competing for food.
d) bacteria living in human intestines

D

Explanation:

because the bacteria's have some sort of use for the human intestine and the bacteria gets food

8 carbon atoms forming single bonds with 18 hydrogen atoms; a triple bond exists between the third and fourth carbon atom from the right

explanation:

nanotechnology is a powerful tool in biomaterials research as it creates numerous possibilities for the engineering of functional molecules. nano-bio refers to projected ability to incorporate biomimicry into various materials at nanoscale.