Answer:
Opioids are a class of drugs that include the illegal drug heroin, synthetic opioids such as fentanyl, and pain relievers available legally by prescription.
Explanation:
Answer:
values .
Because all these form of aspect comes under socio - cultural values and responsible values . Values determine the positivism within in environmental aspects . And if your option matches with environmental health it is best out of several options
Antigens are any molecules that elicit adaptive immune response. Antigens protrude from pathogens or other intruding substances. Antibodies are proteins found in blood plasma that attach to one particular kind of antigen and help to counter its effects.
