Answer:
um i dont know anything about music sorry
Which of these measurements is expressed as three significant figures?
C. 4.20 g
Answer:
B
Explanation:
It is important to only test one variable at a time because you need to be able to disprove or prove a problem with just one independent variable. When you have several variables in the experiment, it would be impossible to know which variable honestly caused the end result.
last one? don't take my word though
Explanation:
the suns heat is related to nuclear fusion
I think they are called ionic bonds.
