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3 years ago

British Columbia’s costal forests are best known for being __________.

Geography

2 answers:

Lelechka [254]3 years ago

5 0

Answer:

a unique habitat for plants and animals

Explanation:

Rudik [331]3 years ago

3 0

British Columbia's coastal forests are best known for “the lungs of the earth”. The coastal rainforests have a remarkable biological richness and store huge amounts of carbon which are a key asset in the fight against the so called climate change. Conservation measures have been a priority to prevent extinction.

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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.

4 0

3 years ago

Which is a plan for the future of space exploration?

Damm [24]

Answer: Well if you look at the questions all of these are plans so im not exactly sure but the most valid answer ould be ( B )

Astronauts in the future are planning to expllre mars because they think that it is possiable for humans to live on the planet mars.

Hope this helps in some way have a great rest of your day :)

6 0

3 years ago

Read 2 more answers

33. Scientists speculate that the first mammals related to the primates appeared during the Paleocene about years ago. A 50.000

Luba_88 [7]

Answer:

B. 65 million

Explanation:

Primates are remarkably the first mammals so when the earth formed about 4.5 billion years ago and the first life on earth dates to 3.5 billion years the primates did not appear before the 50-55 years ago.

Thus by the end of Mesozoic Era i.e about 65.5 million years ago, the primate started to have originated over the earth's surface. At that time the North American continent was still connected to the European landmass and India then was not a part of Asia and most of the landmasses had warm tropical or subtropical climates.

The body size of the early monkeys and apes that took the advantages of vast expanses of land and where the biggest animal to revolve around the 39-40 million years and flourished in the Oligocene Epoch.

4 0

3 years ago

Describe an example of necessity brings about technological change?

Oxana [17]

Answer:

The structure of buildings and temples were built many years ago, you see places like Washington DC replicate the same types of structure in their buildings the art of it is beautiful and well liked.

Explanation:

7 0

3 years ago

Which direction is Carthage from Rome

umka21 [38]

Answer:

Distance between Carthage and Rome is 590 kilometers (367 miles). Driving distance from Carthage to Rome is 1289 kilometers (801 miles).

Hope this helps!

xoxo,

cafeology

3 0

3 years ago

Read 2 more answers