Answer:
C. The Bible
Explanation:
If you are talking about Martin Luther (who wrote the 95 Thesis and translated the Bible to German), then the answer is the Bible
Most hills are "B. Not steep", since for it to be a hill it needs to be somewhere in between the elevation of flat land and mountainous land, which of course is much higher and usually steeper.
He didnt have the tools, supplies, or time to go farther inland. Plus natives were a huge concern, it was a safer decision for him to stay on the coast so he could retreat to his ship if he needed to.
Answer:
An oasis can be formed by an underground aquifer or river that creates enough pressure for water to seep to the surface, forming the oasis. These aquifers and natural springs allow for life to exist in harsh climates like the desert and are often well known to local herders, farmers, and travelers in the region.