Completar Frases Global Warming Versión en línea A fill in the gap exercise about global warming. por Kiarna Benson 1 melting levels human emissions greenhouse atmosphere enter heat escape rise glaciers effect warming Global is happening due to the increase of gases in the . Sea are rising due to ice and disappearing . Greenhouse gases allow solar radiation to the atmosphere and they do not let the heat , causing the temperature to . The greenhouse refers to the retention of in the atmosphere , due to gas from activities .