1. Supply of wood:
The forests are made up of large amounts of trees, which, with regulated cutting, can continue to supply humans with wood needed for construction, fire-wood, ship-building (or at least before in history), and others.
2. Photosynthesis
The forests use Photosynthesis to take in carbon dioxide & monoxide (created by us humans), and with the process of photosynthesis, release Oxygen as it's waste (which we humans use).
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Answer: FOSSIL OF FISHES.
Explanation: The law of faunal succession, is based on the observation that sedimentary rock strata contain fossilized flora and fauna. These fossils succeed each other vertically in a specific, reliable order that can be identified over wide horizontal distances. According to this law, the order for animals is as follows; animals with shells; fishes; amphibians; reptiles; mammals; birds; humans.
Answer:
To study these factors, population geographers examine the increase and decrease in population, peoples' movements over time, general settlement patterns and other subjects such as occupation and how people form the geographic character of a place.
Explanation
Might be wrong sorry if i am !