Answer:
Explanation:
The Columbian Exchange: from the Old World to the New World
On his second voyage, Christopher Columbus brought pigs, cows, chickens, and horses to the islands of the Caribbean. Many Native Americans used horses to transform their hunting and gathering into a highly mobile practice.
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Answer:
More resistant
Explanation:
They communicate more effectively with one another and exchange information more quickly. In addition, they can switch on and off genes that make them harmful. "These properties make the bacteria more resistant to antibiotics and to the host's immune response.
Answer:
The depression was caused by a number of serious weaknesses in the economy. ... America's "Great Depression" began with the dramatic crash of the stock market on "Black Thursday", October 24, 1929 when 16 million shares of stock were quickly sold by panicking investors who had lost faith in the American economy.
Answer: Occupational Health and Safety
The most commonly used acronym in workplace safety in the world, however is OHS, which stands for Occupational Health and Safety
Explanation: