A friend of mine came to see me one day and told me a story of how he met his identical twin that he never knew about. When I questioned him about the details, I got some information about the two men. John Smith (my friend)
DOB: 11/12/77
Height: 6’1
Eyes: Brown
Hair: Brown
Dave Jones (suspected twin)
DOB: 11/11/77
Height: 6’1
Eyes: Brown
Hair: Brown
What should I tell him about his twin?

That they look just alike because there twins and have the same appearance

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.