Answer: gold, ivory, and iron
Explanation:
Answer:
Hypothesis
Explanation:
I will answer this later but hope that the answer helped you
The most abundant fossil fuel is coal... Coal isn't only our most abundant fossil fuel,it's also the one with perhaps the longest history. The U.S. has more coal reserves than any other country in the world. In fact, one-fourth of the all the known coal in the world is in the U.S.
Answer:
SO2 and NOx
Explanation:
The oxides of Sulphur and Nirogen are the major constituents of acid rain. These oxides combine with the water vapor present in the atmosphere and form sulphuric and nitric acid and thus it rains acid.
The region of the United States most harmed by acid rain is the East Coast, including the Appalachian Mountains and the Northeast. In India the Agra Taj Mahal color is changing from white to Yellow because of acid rain. Acid rains are harmful for are agricultural land as well.
