1)by preventing many hazards such as ultraviolet rays and meteors. as meteors fall through the atmosphere, it hits them with small droplets of water, as meteors fly fast, the tiny droplets of water is hitting them so they don't hit earth. the droplets of water are millionths of the size of a rain droplet. even though they are small, they fly fast.
2)keeps the temp at the right level and the right mixes of gases
dont know the exact names but this is what I think. naturall aka compostable waste and artificiall waste
Explanation:
naturall waste is like food scraps it doesn't harm it actually may help the environment. artificiall is non compostable and can kill plants and animals
The biggest and probably the most important engineering feat the Romans achieved was the construction of aqueducts. These aqueducts were used for two crucial purposes among others, water supply and water flow out.
