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)
<span>C.He says that it may not be a reasonable expectation.
Hamilton states that it would be wonderful if this were guided by unbiased opinions and non-personal motivations, but that that is not a realistic expectation. He says it can be wished for, but not "seriously expected". </span>
The answer is D because very commonly dramas end up in a comedy and a tragedy.
I'm not 100% sure, but I would say C since the dog must have been warning the man that he would fall in the creek and have to leave if he started the fire.
Answer: wind instruments, such as the flute.