CAT Questions

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HDL stands for high-density lipoproteins.

HDL is called the "good" cholesterol because it carries cholesterol from other parts of your body back to your liver. Your liver then removes the cholesterol from your body.

Hence, when it comes to cholesterol it is better to have more HDL.

Most stars are at main sequence point in their life cycles.

Direct tax is a tax directly paid to the government by the individuals or organizations on whom it is imposed. Sales Tax is paid for the sales of certain goods and services.

Chemical weathering is the process of altering rocks chemically when they are broken down. It includes hydrolysis, oxidation, acid rain, etc...