why do people have to get pollution out of the air and why did they have to wear a mask huh why did they not play among us or fortnite or gta5

Indoor air pollution, which arises from a variety of causes, also can cause health problems The National Research Council (NRC) and other scientific bodies have emphasized that it is important to take initial steps to reduce greenhouse gases without delay because, once emitted, greenhouse gases persist in the atmosphere for long time periods. As the NRC explained in a recent report, The sooner that serious efforts to reduce greenhouse gas emissions proceed, the lower the risks posed by climate change, and the less pressure there will be to make larger, more rapid, and potentially more expensive

Explanation:

if our air was all polluted then we would not be able to breath the right air

back then mask were so it keeps dirt and bad air from entering your mouth

now today a mask is used to protect us from diseases

Explanation:

answer; i believe that the correct answer is (tabula rasa);

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.