Which of these types of rock can undergo metamorphism? select all that apply. a. igneous b. sedimentary c. metamorphic

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

because growing process had stoped after 4-5 year

snell's law

refractve index = sin incidence / sin refraction