Justin is stargazing with his grandmother. Justin's grandmother points out point a star called Rigel Kentaurus, which she says is one of the closest stars to
our solar system. Justin's grandmother tells her that Rigel Kentaurus is
about 4.3 light-years away. Which of the following is the correct way for
Justin to understand this information?

oxygen +1 most likely

the flagellates share a facultative mutualist association with termites. mutualism is a biological interaction between individuals of different species, where both benefit from each other. this is called cooperation and it differs from other interactions such as cases of exploitation, such as parasitism, predation. in this interaction called association, both species cooperate and benefit.

which condition is a cause of impotency in men?

b. the inability of the penis to become erect