In a laboratory, smokers are asked to drive using a computerized driving simulator and cover the maximum distance possible, while avoiding rear-end collisions. some volunteers are given a real cigarette to smoke immediately before the test. others smoke a fake cigarette without nicotine. the number of collisions the two groups make is to be compared. in this study, the dependent variable is:

The number of collisions.

An object, a time period, an event, an idea or any other category a person is intended to measure is known as a variable. There are two types of variables: the independent and the dependent. An independent variable is a variable that doesn't depend on other factors and doesn't change by other variables you're trying to measure. On the other hand, a dependent variable is related to another factors and changes accordingly. In this case, the dependent variable is the number of collisions.  

political parties perform an important task in government. they bring people together to achieve control of the government, develop policies favorable to their interests or the groups that support them, and organize and persuade voters to elect their candidates to office.

explanation:

wetland functions are defined as a process or series of processes that take place within a wetland. these include the storage of water, transformation of nutrients, growth of living matter, and diversity of wetland plants, and they have value for the wetland itself, for surrounding ecosystems, and for people.

explanation:

hope that you to understand!