The correct answer is A I believe
Answer:
if you mean environmental degradation it is where the environment deteriorates(gets worse).
Explanation:
this happens through lack of air,water and soil, destruction of ecosystems and habitat destruction
Explanation:
In population genetics, the term evolution is defined as a change in the frequency of an allele in a population. ... The allele frequency within a given population can change depending on environmental factors; therefore, certain alleles become more widespread than others during the process of natural selection.
The right option is c. narcotic
Tylenol
iii with codeine belongs to the group of medications called narcotic analgesics
(pain relievers). Narcotics are drugs that are administered to provide relief
from severe pain. Narcotics are sometimes prescribed when other forms of pain
relievers are not working. Examples of narcotics are hydrocodone, codeine, tramadol
and opium.
It is an example of migration. Hope this helps!