Verbal skills and muscular coordination have been observed to improve in women when:

A. estrogen levels are relatively high.
B. they are exposed to experiences requiring high level skills.
C. pressure to perform is reduced.
D. calcium levels are increased.

A

The answer to this question can be obtained by analyzing each option and understanding the factors that impact verbal skills and muscular coordination in women. Let's break down each option to determine the correct answer.

Option A suggests that verbal skills and muscular coordination improve when estrogen levels are relatively high. Estrogen is a hormone that plays a crucial role in various physiological processes. While it does have an influence on cognitive function and physical coordination, it might not be the sole factor responsible for improvements in these areas. Therefore, we should consider other options.

Option B suggests that these improvements occur when women are exposed to experiences requiring high-level skills. This option seems plausible because when individuals consistently engage in activities that demand higher levels of verbal skills and muscular coordination, they are likely to develop and improve these abilities over time.

Option C states that verbal skills and muscular coordination improve when pressure to perform is reduced. This option is also plausible because high levels of stress or pressure can negatively impact cognitive function and physical performance. When individuals experience reduced pressure, they may feel more relaxed and able to perform at their best, leading to improvements in skills.

Option D states that these improvements occur when calcium levels are increased. Calcium is an essential mineral that plays a vital role in muscle contraction and neurological function. While maintaining adequate calcium levels is important for overall health, solely increasing calcium levels may not directly result in improvements in verbal skills and muscular coordination.

Based on the analysis, options B and C seem most plausible. Exposure to experiences requiring high-level skills and reduced performance pressure are factors that can positively influence verbal skills and muscular coordination in women. Thus, the correct answer is either option B or option C.