I only know it's a process of change of matter but I don't remember the exact types
Amphetamine like adderall,vyvanse are weaker because they do not have a methyl group. adding a methyl group to amphetamine makes N-Methylamphetamine. a Methyl group makes it much more potent therefore you need less to get high and it is much more powerful.
for more info go to
https://psychonautwiki.org/wiki/Adderall
https://psychonautwiki.org/wiki/Meth
Preferences are an example of an internal influence on thoughts or feelings. Correct answer: A
Internal influence on thoughts or feelings are linked to the personality, and not the external environment. Personality is defined as the thoughts, emotions, intentions and behavior that people express as they move through their environment. It influences how we select, organize, and interpret information.
Answer: alimentary canal
Explanation: The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus