Explanation:
1 and 17 are highly reactive bc they are almost full or not full at all. they need there last shell to be full in order to be happy, or not reactive. 18 has the noble gases which are not reactive at all bc they have a full valence shell and dont need any other electrons.
Be found along with the diatoms and Radiolarla, in the uppermost
Answer:
A
Explanation:
Grass, wood and leather can be brocken down
