I think that the Answer: is a
Explanation:
The technology advances which made World War I different from the past wars are trench warfare, computers submarines, radar, and machine guns.
<h3>What technological advancement noticed during WWI? </h3>
During World War I, the latest technological advancement has been noticed which helps to face the enemy effectively and trace their actions.
The trench war was the most significant technological advancement in the attempt to keep the Western Front and the surrounding areas.
Chemical and light weapons like machine guns and poison gas strengthened army positions and helps to cause destruction slowly and painful.
Submarines are useful in world war as it helps to trace the activities of enemies armies and submarines in water and counter-attack them.
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Answer: European diseases had killed much of the native workforce
Explanation:
The fact that many natives died due to European diseases was an important reason why Spanish plantation owners used enslaved Africans instead of enslaved natives.
The answer would be:
Thermohaline circulation
It has an impact on climate because when the currents continue to flow through the ocean, cold water is likely to be denser and this density has salt in it. This is important for the ocean, for it bring nutrient water in the surface and to freshened the polar region<span>’s of earth associated with global warming.</span>
