Answer:
6. d
7.c
8.a
9.b
Explanation:
For 6, the answers are not particularly close to 100, and they are not clustered much. For 7, the answers are all clustered very close to 100. For 8, the answers are clustered closely, but not close to 100. For 9, the answers are close to 100, but not clustered very tightly. Hope this helps!
Iron is a type of element because iron is metal and metal is also a mineral
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Answer:
Being flammable means it supports burning,e.g. Oxygen, but being combustible means burning itself too. e.g. Hydrogen.
Explanation:
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scandium is a transition metal and shows a valency of 3.
The kinda of energy the involves the flow of positive charge is Electrical
