Answer 1.
a. Eggs
b. Ladies
c. Women
d. Deer
e. Calves
Answer 2.
a. Ravi's sister is very pretty.
b. These students' books are on the table.
I'm not 100% sure for 9, but 10 would be: "Whom", 11 would be "Wish", 12 is "wants"
Answer:
because the atmosphere shields us from radiation from the sun. also, when you put on sunscreen, the risk for skin cancer decreases.