Answer:
Explanation:
i think its so that there wont be any mistake in when they are collecting their data which simplifys to Experiments are often replicated or repeated even when no obvious mistake was visible
Get under a table or something that can protect u from falling stuff
Answer:
circulatory
Explanation:
Heart is only responsible for generating the pumping force needed to supply blood to each and every corner of the body. As heart is part of circulatory system. The answer is Circulatory system.
Answer:
2) B
3) D
I believe that these are the answers, I hope this helps!
