scientest want to know how our genes interact with our environment to make us who we are. This is the _ question

What is the hormone in your brain that makes you feel happy?

Why is it often difficult to get funding for local parks? a. state governments do not like to grant permits for local parks. b. federal regulations prohibit most fund raising. c. there is often a small tax base. d. federal funding cuts have all but stopped local construction of parks.

What should you sprinkle on cut fruits to slow the browning process? a.oil b. lemon juice or acids c.salt d.melted butter