Answer:
50 gram calcium do you need
Explanation:
please make me brainlist answer
Answer:
Iron(III) Oxide
Explanation:
You can tell that this formula is for the molecule Iron(III) oxide because it has two iron atoms and three oxygen atoms.
Fun Fact: There are three main types of iron oxides, with this being one of them.
Hope this helped! :^)
Answer:
A. Engineers come up with scientific questions when they are developing their design, and scientists do research to answer them.