Comparing source a and b on

Tap here to turn on desktop notifications to get the news sent straight to you. It was part of a series of tweets in which he griped about pesky things like due process for asylum seekers.

Comparing source a and b on

Some of the energy consumed simply goes up the chimney and never heats your home. You can search for your power provider and see exactly how green your power is.

My power provider is BC Hydro. Combustion of natural gas produces around 58 kg of CO2 per GJ. One GJ is equivalent to Therefore combustion of natural gas produces about 0. Costs in the above table are based on actual statements for my home over one full year total cost divided by total kWh consumed.

This is more accurate that relying on figures quoted by gas or electrical companies which may not include hidden costs. These results indicate that for my home, heating with electricity is best in terms of CO2 emissions and about the same in terms of cost.

Installing a more efficient gas furnace would likely bring the cost per kWh of gas below that of electricity, but the CO2 emissions would still be much higher. A better alternative could be to install a ground source heat pump.

This would be even more efficient than straight electric heat and would produce even less CO2 per kWh used. The main barrier is the large capital investment. Ads by Google Experimenting with electric space heating Empirical data always trumps calculations, so I performed a simple experiment over a couple of consecutive winters to test the theory.

My home was originally built with a natural gas furnace and forced air heating system. What little gas usage is shown in the second chart was for my hot water heater.

The reason I compared only winter months is so that I could be certain all the windows and doors were closed for both tests. The data below shows the results of my experiment.

These first two charts show average continuous power consumption in kW.

Comparing Source Code

I determined the average power consumption in each month by taking the total energy consumed in kWh and dividing it by the total time in hours. Power is a more useful measurement than total energy consumption because, in theory, the temperature difference you maintain between the inside of your home and the outside should be directly proportional to your continuous power consumption.

The two charts seem to indicate strongly that heating my home with electricity is more efficient than with gas. The average outside temperature during each month is provided on my gas statement, and I monitor the inside temperature myself. Here is a plot of temperature difference per kW of continuous power consumption for both winters.

It should be roughly constant over all months since it is a property of the materials and geometry of my home. Solar input power is the reason both lines rise at either end of the chart.

Comparing source a and b on

Higher solar input in these months results in less power being required from electrical or gas sources to maintain a given temperature difference. To reduce solar effects that might vary from one year to the next, lets compare the data in December.

Comparing source a and b on

My total energy consumption and cost for these two consecutive years agree with this assessment:S-1 Thinking Independently. Principle: Critical thinking is independent thinking, thinking for oneself. Many of our beliefs are acquired at an early age, when we have a strong tendency to form beliefs for irrational reasons (because we want to believe, because we are praised or rewarded for believing).

Comparing source A and B on the vietcong BY LUKE Source A shows us that the Vietcong used a mixture of compassion and mostly ruthlessness to get the support of the Vietnamese civilians for example “Unfriendly people were taken outside and often clubbed to death”.

11 Science background for teachers THE PROPERTIES OF MATERIALS and their everyday uses Children need to have experience of, and explore as many different. In a compare-and contrast, you also need to make links between A and B in the body of your essay if you want your paper to hold together.

To make these links, use transitional expressions of comparison and contrast (similarly, moreover, likewise, on the contrary, conversely, on the other hand) and contrastive vocabulary (in the example below.

Social comparison theory, initially proposed by social psychologist Leon Festinger in , centers on the belief that there is a drive within individuals to gain accurate self-evaluations.

The theory explains how individuals evaluate their own opinions and abilities by comparing themselves to others in order to reduce uncertainty in these domains, and learn how to define the self. Search using a saved search preference or by selecting one or more content areas and grade levels to view standards, related Eligible Content, assessments, and materials and resources.

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