A Mao Zedong is the correct answer
<span>The Columbian Exchange refers to a period of cultural and biological exchanges between the New and Old Worlds. Exchanges of plants, animals, diseases and technology transformed European and Native American ways of life. Beginning after Columbus' discovery in 1492 the exchange lasted throughout the years of expansion and discovery. The Columbian Exchange impacted the social and cultural makeup of both sides of the Atlantic. Advancements in agricultural production, evolution of warfare, increased mortality rates and education are a few examples of the effect of the Columbian Exchange on both Europeans and Native Americans</span>
Answer:
Chronic stress
Explanation:
Stress is happened because of biological changes and environmental changes in the lives of people. Due to stress body release cortisol and adrenaline hormone. These are hormones help to understand make heart rate high and pulse rate becomes high. These symptoms indicate that the person is in a high alert state. Physical stress or symptoms are not so long in stress. Many factors can indicate stress.
<u>Symptoms of stress:
</u>
- High-pressure job
- High-pressure work
- High-pressure family responsibilities
