Roona wants to determine whether drinking green tea causes weight loss. Which of the following types of research methods should Roona use? a. descriptive research
b. correlational research
c. experimental research
d. observational research

D

Explanation:

drinking green tea may even help you lose weight. The caffeine and catechins it contains have been shown to boost your metabolism and increase fat burning (9, 10 ). Overall, studies indicate that consuming green tea can help you burn an additional 75–100 calories per day

plz brainliest

no , per capita income is not a true measure of the development because: -it only tells us about average income not how income is distributed among the people.it only give us an idea of the economic aspect.it is only at the qualitative basis.moreover, income is not only the way of development other factors are also as much as important as income.

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;