If a researcher wishes to study the relationship between self-esteem and level of intelligence, then gathering data about participants’ eye color would be a. necessary because it may be an influencing variable in the study b. unnecessary because it does not relate to the topic of the study c. necessary because it may improve the validity of the study d. unnecessary because eye color influences all variables being studied

The correct answer is B. Unnecessary because it does not relate to the topic of the study

Explanation:

The word "research" refers to a process that involves multiple steps and aims at finding information to know more about a topic or answering a specific question, because of this, researches need to find instruments and strategies that allow them to explore the different elements or variables that are part of their research topic of question. This means, in this case, if the research is interested in study the relationship between self-esteem and level of intelligence, this researcher should gather data about the two main variables which are intelligence and self-esteem or variables related to them. Therefore, in this case, gathering data about participants' eye color would be "unnecessary because it does not relate to the topic of the study" and therefore it would not help the researcher to achieve its goal.

answer; i believe the best and correct answer is stronger bonds between the nations of africa;

this is a pretty broad question and can be a pretty lengthy answer. since 1900, women have gained a lot more rights and have become active in the workforce. with women being in the workforce, men play a larger role in family life. many family tasks are shared between men and women, whereas, women used to be the sole family caretakers.

that should get you started at least.