Which of the following is are the effect s of global warming 1 Increase in pathogenic diseases...........

Environment and Ecology Envirnment and Climate Change

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Which of the following is/are the effect(s) of global warming?

1. Increase in pathogenic diseases

2. Rise in transpiration rates

3. Poleward shifting of vegetation.

Select the correct answer using the code given below.

1 only

1 and 2 only

1 and 3 only

1,2 and 3

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Explanation:

? All the statements are correct.

? Global temperature is likely rise by 2 to 5 °C during the next century. Due to rise in temperature, there is a chance of melting of ice caps on Earth's poles. This melting of ice will result in the rise of the sea level.
Large stretches of low lying areas will submerge and many island countries will face deep encroachment by seawater. Some may disappear altogether. ? As the increase in temperature will be uniform all over the surface of the world, there will be serious climatic changes. This will bring various changes in wind and rain pattern. Higher temperature will cause rise in transpiration, which in turn, will affect the groundwater table.

? As the climatic belts shift from equator towards pole, the vegetation would also shift away from the equator. Insects and pests will increase in the warmer climatic conditions. Thus, pathogenic-diseases will multiply.