Deserts form in the subtropical regions as a result of B. Ascending air masses
<h3>What is a desert?</h3>
It should be noted that a desert simply means an arid land that has sparse vegetation and low water.
In this case, deserts form in the subtropical regions as a result of ascending air masses. They're usually found along the tropic of Cancer.
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A fact is a statement that is true and can be verified objectively, or proven. In other words, a fact is true and correct, no matter what. An opinion, however, is a statement that holds an element of belief; it tells how someone feels. An opinion is not always true and cannot be proven.
1) F (Tien Shan is a mountain range)
2) T
3) F
4) F (Karakum is a desert)
5) T
Answer:
The answer is Option C: Index fossils.
Explanation:
Index fossils are used to identify geologic periods or faunal stages in rock layers. These fossils must have a wide geographic distribution and manifest obvious evolutionary trends to help geologists and others who need this geological data to better understand the time scale and to pinpoint a time period. For example, ammonites were common during the Mesozoic Era, but they were extinct by the Cretaceous period. Geologists would use ammonites to help determine this time frame if present.
