Can you please answer this thank you so much!!!

Reference: https://drive.google.com/file/d/1MB4WrqVj6O4cnWBuYN4lzgIKgJltn94A/view

Exercise 2.2. Think before you write! Instructions: Answer the following questions correctly. Write your answers on a separate sheet of paper. 1.Why does a diamond sparkle more than a glass crystal of the same shape and size? (5pts) 2. Why does the arc of a rainbow appear with red on top and violet at the bottom? (5pts) 25 3. Is light from the sky polarized? Why is it that clouds seen through Polaroid glasses stand out in bold contrast to the sky? (5 pts) 4. Compare how to measure an incident ray with a reflective ray. (5pts)