Its B.
becuase the radiation forms the ultra violet radiation and absobs it.
You can rub a permanent magnet against something else that can be magnetized, like a paper clip.
The unit for power in electricity should be watt. The power show how many energy transferred during a time and the SI unit would be joule per second.
The bill is charging for the amount of energy. The energy could be calculated by multiplying the power with time. In this case, the power in kilo watt will be multiplied by the duration in hour which make the kilowatt hour.
Determine if the chart shows an autosomal or sex-linked (usually X-linked) trait. For example, in X-linked recessive traits, males are much more commonly affected than females.
Be more specific please on this question
