Answer:
A
Explanation:
The magnet can always attract other things.
It should be 12 N. the force of the book on the table should be the same as the force of the table on the book.
Answer:
A metalloid is used because it is a semiconductor and can become more conductive when more light shines on it
Explanation:
The material used in a solar panel is a metalloid. It can often become conductive when more light shines on it.
Metalloids have properties that straddles between those of metals and non-metals.
In essence, they can be conductive or not under certain conditions.
The most important property they exhibit is that they can become more conductive when more light shines on them. This way more electrons are produced.
Answer: just do the same thing, but the problems are different
Explanation: try you best
Answer: energy
Explanation: So the input and output of the power grid system is energy.