Answer:
isn't it b.) Taklamakan desert
Explanation:
I believe the answer you're looking for is temperature and precipitation.
Climate is based on the amount of rainfall (i.e. a rainforest) or the temperature (i.e. a tropical climate)
The Nile river is the longest river in the world, followed by the Amazon river which is the second longest.
Georgius Agricola (Georg Bauer), also known as the 'father of mineralogy', is considered the founder of geology as a scientific discipline. That is, he provided the foundations for the study of the Earth (and its rocks, minerals, and fossils), in a systematic, recorded, way.