Answer:
D. “Land surfaces warm much more quickly than water”
Explanation:
When Wilhelm became kaiser, he was determined to present himself as a bold German warrior who would expand his nation's power. Germany, he declared, must have its "place in the sun" among the world's greatest nations. So he built up the German army and navy.
The understanding of gravity was essential in the developmentof Albert Einstein theory of relativity. Which describe relationships between matter and motion.
The answer may be B, but i may be incorrect.