not fair at all but this is an opinionated question u literelly shouldnt be able to get it wrong
Answer:
Independent
Explanation:
Independent variable: The variable that is being changed or manipulated in an experiment. The changes or alteration in the independent variables can lead to changes in the dependent variable.
It is only the researcher or the experimenter, who can make changes in the independent variables throughout the study.
There are three types of variables that can be used in an experiment:
1. Independent variables.
2. Dependent variables.
3. Control variables.
Answer:
Heavy city traffic
Explanation:
Noise pollution is caused by excessive and unwanted sound that causes the sound problem. The high level of heavy traffic, noise and disrupt distract. It affects the deleterious effect on the health and environmental quality. Most of the people think that this is the problem occurring with only those people who are living in big cities.
There are different type of resources that cause noise pollution:
- Traffic and transport
- The constructions noise
- The workplace noise
- Domestic place noise
Sara is probably unpopular.
In general, people acted silly in front of their peers in order to gained attention from their social group.
Combined with the fact that Sara is insensitive to her friend's feeling, we could conclude that Sara is not received very well among her social groups despite her efforts to gained attention.