It was caused by a mix of different scenarios. Rome was constantly attacked by Barbarian tribes; they were over-expanded, which made it really hard for them to keep their entire empire under control; they had a lot of economic problems and relied too much on slave labor; and they spent way too much money on their military, just to name a few factors.
Answer:
The answer is: Pollutants like <u>plastic, chemicals, paint, debris, sewage overflow</u>
Explanation:
During heavy precipitation, the rainwater or the stormwater that doesn't soak into the ground due to the presence of impervious surfaces, is known as the stormwater runoff.
This runoff picks up various <u>pollutants like plastic, chemicals, fertilizers, pesticide, paint, debris, pet waste and sewage overflow, that contaminates the local lakes, streams and rivers, before reaching the ocean.</u>
Answer:
Stars
Explanation:
I think back then that ancient civilizations trusted the night sky or more advanced ones used compasses before maps were made and trusted. The Mayans I believe practiced astrology (astronomy?) and we still do know because the sky is always there for us.
If these substances become dissolved in the water vapour present in the air then acid rain can form. Acid rain can corrode and kill trees (damaging animal habitats) and wear away older buildings such as those made of limestone.
