Ear marker is form of saving money in a way for example if your saving money of spending it on shoes you have earmarked that money it’s basically something you set aside
Examples of sustainable technology include:
- Electric transportation.
- LED light technology.
- Solar power.
Sustainable technology is a form of technology that have a positive social, economic or environmental impact. Sustainable technologies are innovations with positive impacts with the aim of reducing the negative impact humanity have created on earth.
Examples of sustainable technology include:
- Electric transportation.
- LED light technology.
- Solar power.
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Due to the presence of antigens and antibodies, blood can only be donated by compatible donor types.
<h3>What is the ABO blood group?</h3>
There are four main human types of blood group which are; A, AB, B and O.
- A person who has the blood group A has antigen a.
- A person who has blood group B has antigen b
-A person who has blood group AB has both antigens a and b
- A person who has blood group O has neither antigen a nor b
People who have blood group O are universal donors while people who have blood group AB are universal recipients. Due to the presence of antigens and antibodies, blood can only be donated by compatible donor types.
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An important fraction of paraffin wax and asphalt is called fuel oil.
<h3>What is
fractional distillation?</h3>
Fractional distillation can be defined as type of separation technique that is typically used for the separation of a liquid mixture or chemical mixture into fractions with different boiling points by means of distillation, so that one or more fractions of the liquid mixture will vaporize in a fractionating column.
Generally, the fractional distillation of a hydrocarbon such as crude oil produces many chemical compounds at different boiling points. Thus, an important fraction of paraffin wax and asphalt is called fuel oil.
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