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3 years ago

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Geography

2 answers:

Vesnalui [34]3 years ago

7 0

Answer:

60 degrees

Explanation:

align x follow the line then you get 60

LuckyWell [14K]3 years ago

5 0

Answer:

The city of Oslo, Norway is located on 60° latitude

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Neporo4naja [7]

Answer:

lived in the Andes Mountains, economy based on agriculture and built an extensive empire

Explanation:

5 0

3 years ago

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.

4 0

3 years ago

In the United States, a(n)___________boundary separates US lands from another country.

Solnce55 [7]

Answer:usually a wall or a bridge seperates another country

Explanation: hope i helped

8 0

3 years ago

Fossil fuels are the only cause of global warming. true or false.

Ratling [72]

False. Fossils fuels are one of the cause but they are many causes as well.

Hope this Helps!

4 0

3 years ago

Read 2 more answers

One metamorphic rock that is formed in fault zones:

kow [346]

Metamorphic rock that is formed in deep in the faults is mylonite. It is a cataclastic metamorphic rock. Usually they are fine-grained, occasionally can be glassy, that are layered or streaky, with the layers and streaks being drawn by the ductile shear.

5 0

3 years ago