Match the following: What happens to the demand for
1. Complement
butter, if the price of margarine
increases?
2. Substitute
Butter and margarine
Ice cream and ice cream cones
What happens to the demand for
3. Demand Increases
4. Demand Decreases
ice cream cones, if the price of ice cream
increases?

a

explanation:

because they are cartillidge

answer: the correct answer id option(d).

explanation:

snell's law refraction:

the angle of refraction =

the angle of incidence =

refractive index of air = = 1

refractive index of glycerol = 1.47

from the given options, the most closest answer to 63.72° is 65° of option (d).