The reaction of which Missy has experience that is a severe
and life threatening allergic reaction due to penicillin is anaphylactic reaction,
it could be classified as the a serious and life threatening in terms of having
allergic reaction for if not treated immediately, it could cause death to the
individual who has experience this reaction. This could be triggered from
either medications, food in which an individual has consumed and insect stings
such as from bees. Missy’s allergic reaction must have triggered because of the
penicillin that she has consumed where in, she does not know that she is
allergic to the medication, having her to experience a life threatening
allergic reaction to the penicillin.
Answer:
B. the appearance of lichens and mosses in an area where a glacier has recently melted away
Explanation:
Ecological succession, which refers to the series of changes that occurs over time in an ecosystem, can be of two types namely: primary succession and secondary succession.
Primary succession is a succession that involves an area where no form of life has grown previously, hence, the area of land is barren e.g bare rock. Primary succession is first colonized by species called PIONEER SPECIES e.g. lichens, mosses etc.
According to this question, "the appearance of lichens and mosses (pioneer species) in an area where a glacier has recently melted away" is an example of PRIMARY SUCCESSION.
Answer;
-Analytical chemistry - composition.
Environmental - impact of chemicals
Explanation;
-Analytical chemistry involves the qualitative and quantitative determination of the chemical components of substances. In qualitative analysis all the atoms and molecules present are identified, with particular attention to trace elements. In quantitative analysis the exact weight of each constituent is obtained as well.
Environmental chemistry is the study of the chemical and biochemical phenomena that occur in the environment.It relies heavily on analytical chemistry and includes atmospheric, aquatic, and soil chemistry.
Answer:
Social science, any branch of academic study or science that deals with sociology, psychology, political science, and economics. Most historians, however, consider history as one of the humanities.
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