Answer:
I think it's d
Explanation:
I remember from a couple years ago I had to answer a question similar to this. I'm 90% sure I chose the last answer.
only choose my answer if you agree.
Answer:
Explanation:
I am not that sure but according to me it will be the option 3.
Calcium carbonate or silica
Answer:
where is this from?
Explanation:
i don't see answer choices?