Answer:
D). Stress suppresses the release of lymphocytes.
Explanation:
Stress is demonstrated as a state of intense emotional, physical, or psychological pressure that could be caused due to several environmental factors.
As per the question, option D best displays the impact of 'stress' to increased exposure or susceptibility to viral and bacterial infections as 'stress suppresses the release of lymphocytes(white cells)' that primarily functions to provide immunity to our body by defending against the antigens which may cause damage to the body. Therefore, <u>option D</u> is the correct answer.
Corn and potatoes are crops that provide relatively many calories, are easy to cultivate and can be planted in many climates, including ones with winter. They contributed to people being able to produce more food. How important was that can be seen through the fact that when a blight hit the potatoes in Ireland, a famine took place.
Answer:
B
Explanation:
Trade with the Portuguese probably encouraged the growth of brass casting in ... Guns were new to the people of West Africa when the Portuguese arrived. So Africans traded them from Europeans and learned to make them for ... ivory and other important goods, so that all the profit went to support his court and government.