Compare the amount of copper predicted in part A with the amount measured in part B. What percentage of the predicted amount was obtained? Why aren’t these values the same?

Explanation:

Because the experiment has an different independent and dependent variable and each part has  a different result of what type of copper or what  type of control you are using for you experiment.

PLS MARK BRAINLIEST IF CORRECT I WORKED HARD ON THIS ANSWER,HAVE A NICE DAY/NIGHT <3

Because the experiment has a different independent and dependent variable and each part has a different result of what type of copper or what type of control you are using for your experiment.

i think so it’s will be b yes i believe its

the answer is 1260

you spend 7 hours in school for 1 school day with 5 school days in 1 school week with 36 school weeks in a school year.

7*5*36= 1260 it's all about multiplying