Answer:
1.The equipment is broken by someone.
2.Firstly the liguid must be heated.
3.Safety glasses must be worn in laboratory.
4.Science competition is won by a very young student.
5.A brilliant scientist is Dr liu .( this 5 no ans might be wrong)
During the depression people were unemployed some starving, uprooted from homes that had been around for generations, ghettos, millions of lives altered.
Where was the American Dread Alive and Well?
