Questão 3167418

Text II:

The Future of the Planet

Our planet is facing serious environmental problems. Climate change is causing extreme weather, ice is melting in the polar regions, and many species are disappearing. Governments and individuals must work together to reduce pollution and protect natural resources. Renewable energy, recycling, and education are key to building a sustainable future. The choices we make today will determine the world we live in tomorrow.

(Fonte: Linguapress – texto autêntico adaptado para uso educacional)

The word in bold must, in the contexto above, represents: