The given blank can be filled with liver.
The huge surface area of the small intestine helps in absorption of nutrients. The water-soluble nutrients and small fats enter the bloodstream directly. The inner surface of the small intestine comprises hundreds of folds of compositions known as villi. Within the villi, there are numerous microscopic projections known as microvilli.
The microvilli substantially enhance the surface area of the small intestine that upsurges the rate of absorption of nutrients. Upon entering the bloodstream the water-soluble nutrients are directed towards the liver prior to being transported to the cells.
The term pioneer is used to describe the species that first colonize new habituate created by disturbance
Answer:
The answer here is coal and soil.
Explanation:
Since coal takes millions of years to form, it is considered nonrenewable. Soil is a finite resource on Earth and no more of it can be made, so it is also considered non-renewable. Fish and wood are both renewable, as they can reproduce to make more of themselves.
