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.
According to the geological time span, the era which covers major history of the Earth is considered to be Precambrian era.
Answer: Option 3
<u>Explanation:</u>
Precambrian era is considered to be the most covering history of the Earth based on two factors, one is that it is longest era according to the geological time scale.
And as it is the longest era, major historical events of Earth are witnessed during this time. Precambrian era is known to be the beginning of formation of Earth which was about 4.5 billion years ago and it lasted for 542 million years ago.
A current of air, especially a natural one that moves along or parallel to the ground, moving from an area of high pressure to an area of low pressure. Surface wind<span> is measured by anemometers or its effect on objects, such as trees.</span>
Es un conjunto de acciones que contribuyen a la situación económica de una sociedad y el desarrollo de la misma. Se realizan actividades económicas o de comercio para ir generando dinero y así mismo impuestos
