A scientist wants to study snails in an ecosystem. The snails move slowly and are incapable of traveling long distances. Which method would be most effective? Which method would be least effective? Use the information you put in the chart to explain your reasoning.

Do you want math or science? but you should get something to record with but just at a angle and watch the vid more than once so you don’t have to keep watching a snail.

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

The answer is a or b