1. I think is letter b.
2. I thinks it's letter c.
Answer: 
Explanation:
given data:
metre moving current = 
meters voltage = 
or 
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the unknown voltage is 316.8V
Answer:
absorption and insolation.
Explanation:
Answer:
Chemical
Explanation:
A chemical change is also known as chemical reaction. It is a change that results to the formation of a new substance.
Explanation:
The structural diversity of carbon-based molecules is determined by following properties:
1. the ability of those bonds to rotate freely,
2.the ability of carbon to form four covalent bonds,
3.the orientation of those bonds in the form of a tetrahedron.