the universe formed through the big bang explosion, all of the elements on Earth have been cooked for billions of years in stars and then released in the universe through super- nova explosions.
This is from dictionary: <span>a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
I would say it is 2</span>
Answer:
- FeS
- MnO₂
- Al₂S₃
Explanation:
<u>1) Iron + Sulphur = ?</u>
→ Iron sulfide
<u>2) Manganese + Oxygen = ?</u>
→ Manganese dioxide
<u>3) Aluminium + Sulphur = ?</u>
→ Aluminium sulfide
Answer: it would be a 1 to 1 ratio
Explanation: originally it would be 2 to 2 but you have to reduce