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Ozone is both helpful and harmful to life on Earth.
Some scientists believe that global warming will bring about extreme weather.
Habitat change can occur through natural causes.
Primary pollutants are directly emitted from a source, while secondary pollutants form through chemical reactions in the atmosphere. Please select the best answer from the choices provided
How does change to an ecosystem that results in succession benefit the ecosystem?a.it leads to an increased level of biodiversityb.it leads to decreased productivityc.it ends symbiosis between organismsd.it allows ecosystems to operate independently of each other
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