The fragment “must be weighed against” (l. 17) should be un...
MIRCHANDANI, Rajesh. Polar bears will be protected in Alaska. Disponível em:<<www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2010/11/100929_with_polarbears_page.shtml>. Acesso em: 2 dez. 2010.