Answer:
It was caused by diseases
Explanation:
The people of the Americas had never been exposed to such infectious diseases as measles and smallpox. Without any resistance to those diseases, they were helpless and died in huge numbers. This is the most important impact of the exchange because of the fact that it was so devastating to the native population.
Thank you have a nice day
~Evelyn
Answer:
The earthquake and fires killed an estimated 3,000 people and left half of the city's 400,000 residents homeless. Aid poured in from around the country and the world, but those who survived faced weeks of difficulty and hardship
Explanation:
Answer:
In the UK, high pollution levels are sometimes caused by dust blown from the Sahara desert.
Other sources of air pollution include: sources of smoke, including cigarette smoke, burning fuel in houses for heating or cooking, emissions from power generation, industry and farming.
The UK government has plans to improve pollution due to traffic, and is banning the sale of new fossil fuel cars by 2040, and is phasing out the use of coal in its electrical power generation.
