Primary sources are important because they are the original documents, written by the person himself or herself; and in many cases, they were written by people who were actually there when an event took place. When doing research, it is useful to find as many primary sources as you can, because they give you first-hand information, in the person's own words. For example, if you are doing a report on Abraham Lincoln, you can find sources about him (called "secondary sources") written by other people; but you can also find his own words and his own writings, which tell you what he was thinking and feeling about a certain issue. A good research paper will use a blend of primary and secondary sources if at all possible.
Trees are resources and they help animals breath just like they help us.
The primary objective of the Jobstreet Singapore website is to help local people from Singapore find and keep employment. There are resources available to help them out.
US was a primary combatant.
A primary source is a source from someone who was there. A diary, or letters from a soldier, for example, help us understand the war from his specific point of view.
the can give us more resources.
Some example of primary resources are newspapers, journal entries, and letters.
So they can be used in life to help us or entertain us etc
the three R's which can help us to conserve natrual resource for long term use are?
You have to tell us what is happening if you want us to help you. I linked to some resources below.
They sell primary resources
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A solar water heater andA photovoltaic solar panelare two devices that will help us conserve resources. This will mean we can stop burning oil and instead use if for making plastic.