Exploration of antarctica’s interior did not begin until
a) tractors were brought to the continents

b)sailors from european countries landed on pack ice

c)a treaty was signed by 12 nations

d)airplanes were strong enough to withstand the winds and cold

How should the student cite this source using mla citation format?

Space is not completely empty. there are small particles in space. what happens when these particles come together?

What did jesuits and the leaders of the council of trent have in common? they wanted to improve relations with protestants by making compromises. they were opposed to improving spirituality within the catholic faith. they accused people of heresy and witchcraft. they were concerned with improving religious education.