I think the correct answer from the choices listed above is option D. Modern fishing practices threaten biodiversity mainly through the removal of community food supplies. When people remove a significant amount of fish, portions of the food web are disturbed and can affect a certain ecosystem.
I think its B but I'm not sure .. sorry
The current projects of the Environmental Protection Act is to reduce the carbon footprint in the atmosphere which is responsible for the climate changes.
<u>Explanation:</u>
Environmental protection act is working to reduce greenhouse gases in the year 2020. And its its energy use and the fuel consumption for climate change in the atmosphere.
Environmental protection act is the independent agency of the US federal government for the environmental protectio. It has the responsibility of maintaining and enforcing the national standards under the variety of environmental law.
Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
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