Answer:
The four main classes of organic compounds (carbohydrates, lipids, proteins, and nucleic acids) that are essential to the proper functioning of all living things are known as polymers or macromolecules. All of these compounds are built primarily of carbon, hydrogen, and oxygen but in different ratios.
Explanation:
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An increase in the available water in an ecosystem would increase the sustainability of an ecosystem.
An increase of human interference can negatively impact local flora and fauna populations.
A decrease in the amount of sunlight would negative impact plants.
A decrease in the number of available producers will negatively impact the entire food chain/food web.
Bike -> CO2
computer -> saving forest
water and factory -> freshwater
Igneous rock is made from magma when it cools down