Answer:
....,................................
Explanation:
1= A
2=D
3=C
4=C
Answer:
C
Explanation:
This is a correct answer i think soo
Scientists should control most possible variables in experiments to get the most valid and correct data. If many variables are included in experiments it is more difficult to interpret what is causing a different outcome.
P=18000000/6 zeros. not sure how to do rest
