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Leviafan [203]
2 years ago
5

Explain 1 positive and 1 negative effect form the arrival of Columbus in the Americas.

Social Studies
1 answer:
Veseljchak [2.6K]2 years ago
4 0

Answer:

The positive effect is the exchange that happened between the Old and New World, and the negative effect are the diseases that Europeans brought to America that killed millions of Natives.

Explanation:

After Columbus discovered new continent many products that were unknown to people on one or other continent were exchanged. That was probably the most positive consequence of the Columbus discovery.

On the other side, diseases such as smallpox killed millions of Natives, which together with conquistadores led to extinction of certain tribes.

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2.Explain the impact of commercial revolution (16 th century ) in Western Europe.
wolverine [178]

The correct answer to this open question is the following.

The impact of the commercial revolution (16th century ) in Western Europe was the following.

The commercial revolution's impact was that it generated a big competence between European countries in trade. The rules of trade and commerce dramatically changed due to the Columbian exchange and all the goods, raw materials, and natural resources were affected due to this competence between European nations, supply, and demand.

The commercial revolution also saw the beginning of financial institutions and the surge of banking institutions that coined money and made loans.

4 0
3 years ago
What effect does the addition of surfactant have on the airflow? How well did the results compare with your prediction?
MissTica

Answer:

Surfactant increases airflow. It has this effect on airflow because it reduces resistance to lung inflation.  Airflow increased as predicted.

Explanation:

Pulmonary surfactant is a complex mixture of lipids and proteins secreted by the Type II alveolar cells. The major component of surfactant, dipalmitoyl-phosphatidylcholine (DPPC), is an amphiphatic phospholipid. The main function of the pulmonary surfactant is to reduce the surface tension at the air/liquid interface in the lungs by forming lining layer between the aqueous airway liquid and the inspired air. prevents alveolar and airway collapse at end-expiration and thus allows cyclic ventilation of the lungs. It decreases surface tension in the alveoli making it easier for the alveoli to increase surface area for gas exchange. By lowering alveolar surface tension, pulmonary surfactant provides two important benefits:

(1) it increases pulmonary compliance, reducing the work of inflating the lungs; and

(2) it reduces the lungs’ tendency to recoil, so they do not collapse as readily.

3 0
3 years ago
How did Egyptians believe that pharaohs got power?
Anika [276]

Answer:

I'm pretty sure its because they believe the pharos is closer to their gods than the citizens so they believe the pharos hold more power.

Explanation:

7 0
2 years ago
Recreational time can come before or after school.
PilotLPTM [1.2K]
If this is a true or false question, then the answer would be true.  Recreational time can come before or after school. However, if you are tasked to choose between the 'before' or 'after' time frame, then I shall answer that recreational time usually comes after school. 
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3 years ago
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How is Nepal climate influence by land topography? write with examples​
insens350 [35]

Answer:

Nepal's climate is highly influenced by monsoon. The Terai Region is leveled alluvial plain. ... The Himalayan Region has harsh climates and difficult land topography. The surface is steep and soil is rocky and infertile.

5 0
2 years ago
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