Question

How does Earth’s atmosphere support life? Check all that apply.

It filters out oxygen.
It keeps Earth warm.
It filters UV radiation.
It provides a solid shield.
It provides water in the form of rain.

Answer 1

1, 3, 5.

Step-by-step explanation:

Living organisms, need oxygen to breathe. UV light is needed for plants and Homo Sapiens, (Humans). And about 80% of the earth is surrounded or covered with water, it is essential. Otherwise, the other info doesn't make sense. Hope this helps.

Answer 2

The atmosphere of planet Earth is not just a mixture of different gasses. But, it makes Earth the only planet that supports living life as far as we know till now.

Step-by-step explanation:

• The First option is all wrong because atmosphere provides oxygen and other required elements to living life.
• The second option is correct as the gasses present in the atmosphere provides enough heat to keep the Earth warm.
• Third option is correct as Ultra violet rays from the Sun are filtered out by the atmosphere and we are kept safe from there damaging effects.
• Fourth option is also correct as it provides a shield of protection from any sort of hazardous material coming from space or electromagnetic radiation that are dangerous to living life.
• Fifth option is also correct as it contains the required features to hold water molecules up there in the air as they travel around the globe in the form of clouds and then comes down in the form of rain.