Before humans came on the scene, the world changed slowly. There were for natural
calamities such as earthquakes, volcanic eruptions and tropical storms. The climate
warmed and cooled. New plants and animals evolved and became extinct in their turn.
Sea levels rose and fell over periods of thousands, if not millions of years,
But during the last two thousand years, the rate of change has been dramatic. Forests
have vanished and river courses have been altered. Large areas of natural vegetation
have disappeared under farmland and cities. The delicate balance of nature has been
disturbed. Some of the results pose serious problems for the survival of humans.
EC 14%
USSR 14
China 2
Brazit 4%
United States
of America 21%
Rest of the
World 36%
A This shows how different regions of the world
contributed to global warming in the 1980s. The
nations with advanced industry have caused most of
the problem, and the United States is the main
offender
QUESTIONS:
1. Earth is home to millions of species, yet One dominates it. The world witnessed many
changes after humans came on the scene. The change led to a receding of:
(a) Flora and fauna
(b) Farmland and cities
(c) Forest fires
(d) Level of sea water fell
2. the given figure shows how different regions of the world contributed to global warming in 1980s . circle yes / no if agree or disagree with the following statements about the same
Answers
Answered by
6
Answer:
Warmer air can contain more water vapor than cooler air. Global analyses show that the amount of water vapor in the atmosphere has in fact increased due to human-caused warming. This extra moisture is available to storm systems, resulting in heavier rainfalls.
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