Which gas is the major cause of Taj Mahal’s marble deterioration?
AOzone
BNitrogen dioxide
CSulphur dioxide
DCarbon monoxide
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Related Questions:
Consider the types of fodder plants found in forests.
- Fodder plants in various forest types only include grasses.
- A wide range of fodder plants, including herbs, shrubs, and trees, are available in different forest types.
- These plants act as a regular source of fodder exclusively for animals in zoos.
What are the classifications of desertification based on productivity reduction?
- A reduction in productivity between 10% and 25% is considered severe desertification.
- Desertification is classified as moderate if productivity reduction is between 10% and 25%.
- A productivity reduction exceeding 50% is termed very severe desertification.
- Severe desertification occurs when productivity decreases by more than 50%.
What term describes the sequential change in the community structure resulting in the establishment of a stable or climax community?
Which of the following statements accurately describe the historical development and characteristics of urban centers in desert regions?
- Cities in desert regions of Asia and Africa primarily emerged in the central, most arid parts of the deserts.
- Ancient cities like Cairo, Damascus, and Baghdad were significant hubs for administration, learning, faith, trade, and transit.
- The discovery of oil wealth in West Asia and North Africa has had no impact on the creation or modernization of cities in these areas.
- Mecca and Medina are recognized as the holiest cities within the Islamic faith.
Which organisms always form the first trophic level in an ecosystem?