Answer:
This is a question for your self
The main reason Americans are eager for new goods and servises is because of economic growth.
Hi Ace22704,
Answer - natural observation
I think this experimental method is a better option because its in a natural environment where the kids dont know whats happening unlike the suveys where you ask them questions which is probably a bad idea because they might feel scared and just change their minds.
Explanation:
Physical antagonists.
Chemical antagonists.
Physiological antagonists.
Pharmacological antagonists.
Allosteric antagonists
