8. A magnesium ribbon is burnt in the air, to form the greyish oxide of magnesium - magnesium oxide (Mgo). Is this oxide an element,
compound or a mixture?
Answer options
(element, compound or mixture?)

The answer for this is a

Zinc contains about 30 protons 

Large asteroid and comet impacts. because they can have a huge impact on the environment, such as a loss of land, and crust on the earth with the big holes they produce. on the other hand, volcanic eruptions can also cause change within the environment by producing land, but im actually not quite sure which one would be a better answer, hopefully you read this and didnt just flat out choose the first sentence i have spoken! your welcome~

Ihonestly don’t know how to use that one