The answer is D all of the above
Well, when icebergs melt in Antartica and in Greenland this causes the sea level to rise which creeps up on beaches and can take land and submerge it into water.
I believe you answer is the Southern Lowlands.
Hope this helps!
Answer:
He believed Gemini spacecraft could fly in lunar operations before Project Apollo, and cost less. NASA's administration did not approve those plans.