Answer:
An increase in the combustion of fossil fuels
Explanation:
Certain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur.
A downhill skier traveling down a hill has a large amount of kinetic energy because of their mass and high velocity.
The name of the structure that increases the surface area of the small intestine in humans is Villi.
<h3>What are the functions of the small intestine?</h3>
The small intestine performs a key role in the digestion of undigested food which comes through the stomach. It also absorbs all the essential minerals and nutrients from the food and is used by the body.
Villi or microvilli is the structure that increases the surface area of the small intestine for food absorption and adding digestive secretions.
Therefore, the name of the structure that increases the surface area of the small intestine in humans is Villi.
To learn more about the Small intestine, refer to the link:
brainly.com/question/17315460
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