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2 years ago

What are goods, services, resources, and scarcity ?

Geography

2 answers:

sdas [7]2 years ago

7 0

Answer:

the ru ever jeiehabsvejiejebdd

elixir [45]2 years ago

3 0

Goods and services are scarce. These are the things that we want. Goods are tangible things that satisfy our wants (like boats, computers, cars, etc.), services are intangible things that satisfy our wants (like the services of an accountant, or a dentist, or a lawyer).

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In nuclear fission and fusion reactions mass is converted into energy. The average person in US uses around 100,000,000 J of ene

daser333 [38]

Answer:

a) The yearly energy consumption for a US population of 300 million is $3\times 10^{16} J/year$

b) The energy that would be released if a 60 kg person were converted entirely into energy is $5.4\times 10^{18}$ Joules.

c) 180 years would this amount of energy support a population of 300 million.

Explanation:

a) Average energy consumed by single person of US = 100,000,000 J/year

Then 300 million US citizen will consume:

300 million = 300 × 1,000,000 = $3\times 10^8$

The yearly energy consumption for a US population :

$100,000,000 J/year\times 3\times 10^8=3\times 10^{16} J/year$

The yearly energy consumption for a US population of 300 million is $3\times 10^{16} J/year$

b) $E = m\times c^2$

E = Energy from converted mass of m

c = speed of light

Given mass of person = m = 60 kg

$E=60 kg\times (3\times 10^8 m/s)^2 = 5.4\times 10^{18} J$

c) Energy calculated in part (b) = $E=5.4\times 10^{18} J$

The yearly energy consumption for a US population of 300 million in an year = $3\times 10^{16} J/year$

Let the that would be supported by $5.4\times 10^{18}$ Joules of energy be x.

$x\times 3\times 10^{16} J/year=5.4\times 10^{18} J$

$x=\frac{5.4\times 10^{18} J}{3\times 10^{16} J/year}=180 years$

180 years would this amount of energy support a population of 300 million.

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3 years ago

Which continent has many rainforest

Oksanka [162]

South America... I think anyways. It seems legit.

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3 years ago

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Compare and contrast the effects of warm and cold currents on climate

avanturin [10]

Answer:

The cold currents often form when the air on the subtropical high blows over a cold mass of water, then the cold air is dragged to the equator. Warm currents, on the other hand, are large masses of warm water moving further away from the equator, at higher temperatures.

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2 years ago

What are three large countries found on the asian continent

pentagon [3]

By size: Russia, China, India

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3 years ago

During the Middle Ages, kings granted large sections of land to __________. A. serfs B. lords C. slaves D. peasants

nata0808 [166]

Kings gave their land to the lords who in turn controlled the land given by the king.

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3 years ago