What conclusions do you think liz made about the cause of population declines in marine iguanas?

Doing the text now can someone me

An externality can be created by a. people working at a production job and enjoying their work b. a production activity but not a consumption activity c. a consumption activity but not a production activity d. a production activity or a consumption activity externalities a. are always positive, and an example is flu vaccinations b. are always negative, and an example is the pollution created by trucks c. can be negative or positive. logging has a negative externality, and education has a positive externality d. can be negative or positive. a negative externality is having to go to school when you would rather go to the beach, and a positive externality is spending time with your friends

Plz plz i need i don’t want to fail plz me don’t let me fail i need on a 4 paragraph about how tighter british control led to a revolution in colonial america