<span>A horizontal relationship is one on which all the people involved in the relationship are considered to be on the same level and there is reciprocity of actions and expectations. This is reflected in option B because if responsibility is being distributed, then a mutual level of competence is being accepted.</span>
So what exactly is the question?
Differences in strength, hormones, body structure, bone structure. Like when you draw a man figure, the body is usually a rectangle but when you draw a female, the body is an upside down triangle. Hormones like estrogen, only women have. Similarities are intelligence, appearance. Women and Men are treated differently, especially in the work place, because they used to be seen as lower class and we are thought of not being able to do some of the obs that men do, like manual labor because women don't have the same muscle mass or upper body strength as men do but men are also seen as not being able to do some jobs that women do, especially in households, because they don't have motherly instincts or they can't cook as well as women can.