Choice B is correct.
Solar energy charges the battery or cell; it is then powered through the wires and light comes and heat.
But if the lamp they are talking about doesn't have wire the choose C.
But I am certain it is B
The Answer to this question is b
Answer:

Explanation:
To differentiate: 
Solution:
Use product rule:
and the following formulae:

![(10\,sinx\,\,cos x)'=10[(sinx)'cosx+(sinx)(cosx)']\\\\=10[cosx\,cosx-sinx\,sinx]\\\\=10[cos^2x-sin^2x]](https://tex.z-dn.net/?f=%2810%5C%2Csinx%5C%2C%5C%2Ccos%20x%29%27%3D10%5B%28sinx%29%27cosx%2B%28sinx%29%28cosx%29%27%5D%5C%5C%5C%5C%3D10%5Bcosx%5C%2Ccosx-sinx%5C%2Csinx%5D%5C%5C%5C%5C%3D10%5Bcos%5E2x-sin%5E2x%5D)
Use 

<span>Toxic shock syndrome</span>
Answer:
Taxonomy chart for plants (mango) is given below :
1) The domain is eukaryote.
2) Kingdom is plantae.
3) Division is embrophyta.
4) Class is dicotyledonae.
5) Order is sapindales.
6) Family is anacardiaceae.
7) Genus is magnifera.
8) Specie is indica.
Explanation:
Eukaryote are those organisms having true nucleus. Dicotyledons are those plants in which seeds have two cotyledons. Mango plant belongs to Angiosperm i. e. seeds are hidden in the ovary.