1.What are the latitude and longitude of the point on the Earththat is opposite Rome, Italy (42°N, 13°E)?

2.At approximately what latitude is the noonday Sun overhead onApril 17? (Assume the summer solstice is on June 21 and thevernal equinox is on March 21.)

3.

Which is the correct order of elements in increasing atomicsize?

a. Sn < I < Rb < Sr

b. Rb < Sr < Sn < I

c. I < Sn < Sr < Rb

d. Sr < Rb < I < Sn