So here is the most obvious thing here… tolerance is a physical effect of repeated use of a drug, a great example would be a alcohol. Always the Tolerance does not always equal a type of addiction. Withdrawal: Symptoms a person experiences when not using a substance, due to the body reacting to no longer having the substance. Now back to the alcohol… alcohol is a very commonly used on types of drugs, for an example like regular rubbing a alcohol, drinking and more. This type can really make somebody addicted to the type of substance that is in it. Hope this helps!
Mining helps the government in economic growth.
<em>Our earth surface is composed of minerals and most of it can be obtained using mining. Mining is the process of gathering minerals from earth. It could be done using equipment, tools and machines. Basically, mining industries employed workers (known as miners). Therefore, mining industries help the government to give jobs to the citizens. Minerals can be sold to various countries who needs it too. This is another point on economic growth as these exported products helps the country. </em>
<em>When there are advantages, there are also disadvantages such as mining can cause pollutions and destroying natural resources. Miners would use noisy machines that would contribute to noise pollutions. They could also damage water bodies if they could not dispose of their mining waste properly. And lastly, it can cause landslides to mountains.</em>
Tryptophan is an α-amino acid that is used in the biosynthesis of proteins.