Question

The total mass of air surrounding the Earth, from the uppermost thermosphere down to the troposphere
(1 point)
Responses

Mesosphere
Mesosphere

Atmosphere
Atmosphere

Hydrosphere
Hydrosphere

Lithosphere
Lithosphere

Answer 1

The correct answer is **Atmosphere**. The atmosphere is the total mass of air surrounding the Earth, encompassing all layers from the thermosphere to the troposphere.