Hey guys, just wanted to say that whoever is reading this right now, you are awesome and don’t think you’re dumb for using this app because im using it which makes me a happy camper : d

that is true my happy friend camper

explanation:

human affect the biosphere by inceasing air pollution , damaging the ozone layer, worsening global warming , producing non - biodegradable waste, and causing deforestation . the combined effect of human activity results in the destruction of ecosystems

plz mark as brainliest

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- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."