answer:
the student <u>who</u> answers the riddle will get the prize
explanation:
- who is the pronoun
- a pronoun is something that substitutes for a noun
It is called phosphorescent substances.
Answer:
It would be the first one
Explanation:
According the solubility rules if SO4 is with Pb then it is insoluble.
Answer:
no
Explanation:
this answer is because there is no oxygen on the moob