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)
Answer:I beleive it is boycott and mark
Explanation:
Boycott- go on a strike/protest
Mark- strike out something
Idk tho
I need more information to answer this