they roll over in the water.
i think it is a sea otter or a dolphin
Breathing
Air trapped in their fur keeps them warm
The fur of a sea otter grows so closely together, that it is waterproof. It also traps tiny pockets of air, and the air acts as an insulator, helping to keep the otter from losing heat into the water.
In a way, yes because they are making trees and plants grow bigger and stronger and then they replenish the oxygen in the air. Hope I helped! Contributors trust please. :D
The layer of atmosphere that has more air is troposphere. It is the nearest layer.
Which layer of the atmosphere has most of the air
Ozone layer is related to air pollution. It causes pollutants in the air.
A layer of warm air above a layer of cooler air at high altitude.
Inversion
yes, the air becomes less dense and there is less oxygen
Troposphere is name of the layer. It contains 75 percent of the air.