Completar frases Sustainabillity-first ruleVersión en línea Practice vocabulary on one rule for planet sustainability por ioanna ziaka 1 dependence replace sustainability alternative coal fossil principles hydro inexhaustible solar renewable One of the four of for the planet is to reduce our on fuels , such as oil , and gas . To do this we must increase the use of sources of energy . These include power ( taking energy from the sun ) , wind power and power . We call these sources , which means that the planet can these resources quickly by natural processes and are , in theory at least , .
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