First one is sanitary and fourth one is hygiene, i didnt study this topic and dont know the rest sorry
Answer:
4
Explanation:
when the variable for the demand changes the demand needs to change in coordination with the variable
Answer: Because, People liked Harding because he looked like a president. He was a very social, happy person, that enjoyed his people's company. Was president March 4, 1921.
Warren G. Harding's presidency was plagued by scandal, and it was later regarded as unsuccessful.
Explanation: I hope this helps!