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:
spry
Explanation: i did this already
Gravity means the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravity apply, with minor modifications to take the general theory of relativity into account.
Answer:
The abstract noun of the word 'hero' is heroism.
Explanation:
The word 'hero' is also a name but it is a common noun. When changed into its abstract form, it becomes 'heroism'.