Answer: b high risk with the potential for a high return
Explanation:
Edge
Answer: tobacco has been use by the native American Indian nations for many centuries as a medicine for spiritual and cultural importance. It is use as an offering to their creator,place or being. Tobacco contains a addictive stimulate known as nicotine. Nicotine is used in our present day pharmaceutical drugs. Study shows that nicotine
improve memory and concentration. Nicotine increases blood pressure and heart rate,, nicotine replacement therapy is use to help people to stop smoking, tobacco mixed with lime and chalk are use as tooth paste to whitening the teeth by Native American.
Dog breeding is an example of Associative mating.
The components of the second line of defense against microbes may be characterized as responders to invasion. It is a non specific resistance that destroys invaders in a generalized way without targeting specific individual cells; For example, phagocytic cells ingest and destroy all microbes that pass into body tissues. The first line of defense on the other hand,includes intact skin, mucous membranes, sebum, tear, among others.
