layer‚ liquid‚ gas‚ and paper‚ but for this lab paper chromatography will be used. Who invented chromatography? A Russian botanist named Mikhail Semyonovich Tsvet invented chromatography in 1901 while doing research on plant pigments. Why is chromatography so important? This is because over 60% of all chemical analysis is done with one of the four types of chromatography. Police also use it to test cocaine in urine‚ alcohol in blood‚ and lead in water. Other uses for chromatography include to determine
Premium Dye Chromatography Food coloring
VOTING (Dictionary)Voting is a formal expression of opinion or choice‚ either positive or negative‚ made by an individual or a body of individuals. All American have the right to vote when they turn the age of 18 and are considered an adult. You only hear about voting really when it comes to the election for the President of the United States or a candidate is running for a seat in a government position. The American people believe that they should vote because they think it actually matters. Then
Premium President of the United States Elections Election
Why are dogs important? In my life‚ dogs are a huge part. I have always had a dog or two growing up. I can’t imagine not having a dog. If you are a cat person or bird person or something‚ you probably think dogs are just a loud‚ messy animal that runs around and ruins your house‚ but they are so much more than that. Dogs can help you through the toughest things in life. They will always be there for you after something stressful. They are like having a therapist but 100 times better. Not only do
Premium Dog Pet Human
A public service is a service that is funded by the government or by donations to help the government deliver its actions as effectively as possible. There are two types of public services they are statutory and non-statutory services. The difference between a statutory and a non-statutory service is that a statutory service is paid by tax payers‚ funded by the government and is set up by the law. They are usually uniformed and highly professional an example would be the Emergency Services and the
Premium Public safety Police Constable
Baseball Why should anyone ever play baseball? It just seems like those who devote their lives to the game can never win. I’m in high school‚ and even I have to get up every weekend to go to the baseball fields‚ sometimes even as early as 7:30 A.M. Imagine my disappointment‚ after I drag myself out of bed at the crack of dawn on a non-school day‚ just to lose to the opposing team and go back home. But here’s the thing: gambling with my only day off; that is‚ risking I’ll feel that
Premium Baseball Major League Baseball Game
Beowulf is one of the oldest living myth’s that stayed relevant throughout its long period of time. The original published date was in 1815 and written in old English language. One interesting fact about the poem is the writer is unknown. I do not know why no one has claimed this wonderful piece of story. Beowulf has been featured in many movies and games around the world. This technique is a good way for people to understand the poem a little more vs reading the old English manuscript. Beowulf is an
Premium Beowulf
virion is a dormant state that the virus is in when there are no cells around to utilize. During this state‚ the virion does not grow or reproduce‚ but remains in equilibrium until their is a cell that it can infect. While many use this as a reason for why viruses are nonliving‚ I would say just the opposite. The fact that viruses become dormant virions when there are no cells nearby demonstrates an ability to recognize conditions which allow them to reproduce and grow so that they can take advantage
Premium DNA Gene Organism
It’s important to know our history and what happened during that time. The significance/impact/benefit it would have on me and my community today would be for kids‚ teens‚ and adults today to know the importance of segregation and the leaders that fought for freedom
Premium Race African American Black people
My Topic is on wildfires‚ the issue is that wildfires can be good but there is always one bad thing‚ its that the animals can die cause of these wildfires. Wildfires are good in natural ways like for example they can clear dead leaves from the floor for new things to grow and it can also clear dead trees or things that are not useful to the trees or to habitats witch is good. I believe that we should continue to have contained wildfires and natural wildfires. Wildfires
Premium Carbon dioxide Global warming Agriculture
Since I was six years old‚ soccer has been a huge part of my life. There is no doubt that playing a sport allows one to gain important qualities and learn from tough situations. In my soccer career I have learned how significant teamwork‚ leadership‚ positivity‚ and time management skills are in being successful in soccer. I have come to conceive how important it is to be there for my teammates and treat them like family. If the entire team is comfortable with each other and has the same goals
Premium Football Association football Play