4. the hindenberg disaster, a total of 36 fatalities (changed public opinion on airships forever) as well as the competition with airplanes.
5. airships and blimps are both dirigibles. a blimp (technically a “pressure airship”) is a powered, steerable, lighter-than-air vehicle whose shape is maintained by the pressure of the gases within its envelope.
6. most blimps are used as advertising devices, you will see them overhead at games played in open-air sports stadiums.
Answer:
123 years to reach 2 billion
Explanation:
it is estimated that the population of the world one billion for the first time in 1804. it would be another 123 years to reach two billion in 1927. but it took only 33 years to rise by another billion people, 3 million in 1960.
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The superficial change in a system which itself stays invariant is termed <u>First-order</u> while the basic change in the structure of a system is called a <u>second-order</u>.
<h3>What is a
change?</h3>
This refers to any consistent trend in the environment that affects a substantial part of the globe.
However, the First-order is used when for the superficial change in a system and the Second-order is used for the basic change in the structure of a system.
Therefore, the "First-order" and "Second-order" are the respective answers.
Read more about change
<em>brainly.com/question/25594630</em>
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Gandhi wanted to produce 'salt'. . . In 1930 he led a march of thousands of 'Indian's' for 250 mi. to a 'coastal town' to try to produce salt.
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Answer:
The individual lives and acts within society but society is nothing, in spite of the combination of individuals for cooperative effort. On the other hand, society exists to serve individuals—not the other way around. Human life and society almost go together.
Explanation:
