Completar frases Y5 Atmosphere and Hydrosphere Versión en línea Read the sentences and choose the correct word por Paloma Ortiz 1 NITROGEN ATMOSPHERE STRATOSPHER HYDROSPHERE TROPOSPHERE AIR The layer of air that surrounds the Earth is the The most abundant gas in air is is a mixture of gases All the water on Earth is called The is the closest layer to the Earth The ozone layer is in the