7. A man sitting outside a restaurant on a park bench is smoking a cigarette while reading a newspaper. Which answer best describes the mutagen to which the man is exposed? O The newspaper
The cigarette
The oxygen he is breathing
The park bench​

And give a detailed description! scientist observes the boundary between two tectonic plates for a decade and finds that no new volcanoes have formed over the course of her investigation. does this result support the theory of plate tectonics? why or why not?

What is used to keep track of the gamates and possible offsprings combination

What enzyme is most important for dna replication and why?