The atmosphere has 4 layers: the troposphere that we live in near the surface of the earth; the stratosphere that houses the ozone layer; the mesosphere, a colder and lower density layer with about 0.1% of the atmosphere; and the thermosphere, the top layer, where the air is hot but very thin.
Answer:
About 90% of the ozone in our atmosphere is contained in the stratosphere
Explanation:
Answer:
its the level of acid in substances
you put the amount of a item into a cup and add water.
Explanation: