explain. please.

Choose words from the boxes to complete the sentence. Computer simulations of global climate change show how Earth's systems interact and are modified in response to human activity, Floods and droughts destroy crops, livestock, water supplies, and human-made structures. The consequences of this destruction often lead to forest fires Choose and oxtinction forest fires overpopulation Choose words from the boxes to complete the sentence. Computer simulations of global climate change show how Earth's systems interact and are modified in response to human activity. Floods and droughts destroy crops, livestock, water supplies, and human-made structures. The consequences of this destruction often lead to forest fires extinction by and Choose famine coctinction