B) auto troph can make its own food
Replication is the process by which a cell duplicates the DNA.
The rate of evolution is the means of
Darwinism
The best option would be the letter A. They supply freshwater to support life on Earth.
Freshwater is the ultimate source of water in the terrestrial biome. It is not only important in the terrestrial biome but also in the aquatic ecosystem as it helps in transporting nutrients (ex. river is connected to the ocean).
Human activities contribute to climate change by causing changes in Earth's atmosphere in the amounts of greenhouse gases, aerosols (small particles), and cloudiness. The largest known contribution comes from the burning of fossil fuels, which releases carbon dioxide gas to the atmosphere.
