Discuss Trees in areas with acid rain seem to be shorter.

Assignment DirectionsBelow are three observations made by scientists.★For each one, YOU will write an unambiguous (clear and exact) hypothesis ★Imagine that you will do an experiment to prove your hypothesis. List the independent anddependent variable for each experiment.★List at least 5 control variables for each experiment.Observation 1: Eggshells produced by female birds exposed to the pesticide DDT seem to bethinner than the eggshells produced by other female birds.Hypothesis: __________________________________________________________________________Independent variable: ___________________________________________________________Dependent variable: ____________________________________________________________Control variables: ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Observation 2: Trees in areas with acid rain seem to be shorter.Hypothesis: __________________________________________________________________________Independent variable: ___________________________________________________________Dependent variable: ____________________________________________________________Control variables: ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Observation 3: Seagulls covered with oil (from an oil spill) do not look as if they could fly.Hypothesis: __________________________________________________________________________Independent variable: ___________________________________________________________Dependent variable: ____________________________________________________________Control variables: ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________