Complete the text with the correct words related to science?

Complete the text with the correct words related to science. Surface - climate - issues - hazards - protect - soil It's important for us to know how earth and existence work. Only then can citizens form judgement that affect our planet, protect its __________, care for their oceans, safeguard ice waters, and sustain life. There are some __________ that humans will have to address in a near future : _________ change, natural __________, energy, clean water and _________to grow food. We also need a new generation of geo scientists who will continue to investigate how the earth system evolves and who will train younger scientists.