If you do an experiment you have to have two groups your control group and your experimental group. So A would be your answer
Answer:
2020
Explanation:
because it's the year of metal rat
You would add a 2 to every blank but 02 the reason why is 2 in the blank of h202 then makes that h404 while putting it in the other blank makes it h4 02 and add the other 02 then it makes it balanced. I’m pretty sure. It’s been a while since I did this in chemistry so don’t take my word for it but I’m pretty sure that’s how!
<span>Research that has no goal beyond understanding social life and testing social theories is referred to as
</span>basic sociology