Answer:
a. hail
c. tornadoes
d. lightning
Explanation:
It is described as a cloud that is masked and dense, with considerable vertical development, in the form of a mountain or huge towers. Part, at least of its top is normally smooth, fibrous or striated, and almost always crushed; This part often extends in the form of an anvil or a vast plume. Below the base, very dark, low clouds appear torn and rainfall or showers.
They are composed of water droplets and ice crystals on top or anvil. In their interior they also contain large raindrops, snowflakes, granulated ice, hail and in cases of extreme instability of large size.
They almost always produce a storm, that is to say, precipitation in the form of showers, of rain or hail, generally, although also of snow in winter, accompanied by gusty winds and electric discharges that occur between clouds or between cloud and earth (lightning) and even tornadoes
External migration means immigrate to a country from another country
The sustainable development of South America matters for the citizens of the United States because of environmental issues.
Explanation:
South America is home to the largest tropical rainforest in the world, the Amazon rainforest. This forest is nicknamed ''the lungs of Earth'', and that's because it produce the largest amount of oxygen. Not just that it produces the most oxygen, but this rainforest has the highest biodiversity, both of plants and animals.
The US citizens want the development of South America to be sustainable because they realize the dangers if the development is not sustainable. If the South American countries develop in a non sustainable manner and the Amazon forest is destroyed, the implications for the whole world would be very bad. The global temperatures will rise, the pollution will rise, and many industries will suffer because they will lose their materials.
The countries that have the biggest share of the Amazon rainforest are:
- Brazil
- Peru
- Paraguay
- Ecuador
- Colombia
- Bolivia etc.
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