UV radiation is dangerous and can cause skin cancer because of it’s high frequency, which can penetrate the skin. Too much of it can be fatal. Therefore the answer is ultraviolet radiation.
Explanation: Ultraviolet Radiation is the kind of electromagnetic radiation having wavelength in the range of 10 nm to 400 nm. It is shorter than the visible light.
The prime and major source of these radiations is the Sun. These radiations have some advantages as well as these are used for the security purposes but these advantages are negated with the impact they have on living beings.
These radiations attacks directly the DNA of the cells of the skin and can cause fatal and an incurable disease like cancer.
No' of molecules divide by avogadro number , 6×6.023×10^23 so (2.2×10^22)÷(6.023×10^23) = 0.03653 moles moles × Molar mass = mass n×Mr=m 0.03653×40 = 1.46 grams
