The wavelength of light : 4.14 x 10⁻⁵ m
<h3>Further explanation
</h3>
Radiation energy is absorbed by photons
The energy in one photon can be formulated as

Where
h = Planck's constant (6,626.10⁻³⁴ Js)
f = Frequency of electromagnetic waves
The energy of the light = 4.8 x 10⁻²¹ J
The wavelength of light :

It is a combustion reaction. C3H8 will react with oxygen to form carbon dioxide and water.
Answer:
D
Explanation:
When a conclusions is shared it gives room for other scientist with other ideas or different perspective to raise up new questions
It looks all correct to me, great job!