Shawn is planning a scientific experiment. he wants to learn whether time of day has an effect on how far the roses in his mother's garden are open. he plans to measure the diameter of each flower on three rosebushes every hour during a week in the spring. what is the test variable (independent variable) in shawn's experiment?
a. the time of day
b. the number of flowers
c. the diameter of the flowers
d. the time of year

the times of day i just had this question ;)

answer: we can define a cultural region as a section of a land with cultural elements like religion, language, cuisine or architecture. cultural regions are different because its land for example can vary in size of few square miles to millions. they can also form cultural boundaries.

moreover cultural regions can be organized due to less difference between the same ethnic group. we can say also that exist three types of cultural regions such as the formal, functional and vernacular ones. for istance the formal regions refers to sharing cultural traits of people like religion or languages.

explanation: