Studying standard candles in globular clusters offered the first conclusive proof that our galaxy was much than originally believed.

a) cold, dry

explanation:

continental polar masses are cold and dry air masses because the cold air cannot hold much moisture. as they move into warmer air, they can trigger precipitation.

answer; /// the above statement is (true);

electric field is a function of 1/r^2

yes, the force per unit charge for a point charge is inverse square law.

false

hope this : d