The last option
i think it says d but the image is blurry
For a given substance, the amount of light absorbed depend on these four factors:
1. The wavelength of light.
2. The extinction coefficient of the absorbing material.
3. The path lenght of the medium through which the light is travelling and
4. The concentration of the substance.
Answer:
more rounded the grains are the more they have been moved around
Explanation:
Generally – the more rounded the grains are the more they have been moved around (i.e. the longer the length of time or distance they have moved). Angular grains cannot have travelled far
geolsoc.org.uk
Im pretty sure its melting ice
