I think it's the techtonic plates.
Answer:
As the sentences read, it is describing characteristics of areas such as steppes which are often found between the tropics and polar regions:
(1) Also known as steppe, __semiarid__ climates are a type of dry climate that contain more water than arid climates.
(2) Thick __soil__ is not found in deserts because there are fewer plants than in more _humid___ climates.
(3) A high rate of _humid(ity)__ is often characteristic of a climate with high temperatures and low evaporation humidity.
(4) A desert has a drier climate than a __steppe__.
Answer:
Anthropogenic hazards are hazards caused by human action or inaction. They are contrasted with natural hazards. Anthropogenic hazards may adversely affect humans, other organisms, biomes, and ecosystems while A natural disaster is a major adverse event resulting from natural processes of the Earth
Explanation:
Man-made: Global Warming
Natural: Grand Canyon