The evolution of plants has resulted in increasing levels of complexity‚ from the earliest algal mats‚ through bryophytes‚ lycopods‚ ferns to the complex gymnosperms and angiosperms of today. While the groups which appeared earlier continue to thrive‚ especially in the environments in which they evolved‚ each new grade of organisation has eventually become more "successful" than its predecessors by most measures. Probably an algal scum formed on land 1‚200 million years ago. In the Ordovician period
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Chemistry Write-Up The Thermal Decomposition of Sodium Hydrogen Carbonate Aim: When Sodium Hydrogen Carbonate (NaHCO3) is heated‚ Carbon dioxide and water are given off to leave a white powder. The aim is to find the equations for this reaction. Hypothesis: The experiment will prove which of the equations below is true. It will tell us whether Sodium Carbonate is produced or Sodium Oxide. 2NaHCO3 Na2CO3 + CO2 + H2O 2NaHCO3 Na2O + 2CO2 + H2O Variables: Independent: Original
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huge diesel truck revs it’s engine and shoots forward into a 7 feet deep pit of mud. Mud is flying everywhere‚ black smoke pours out of a huge stack in the bed of the truck. This is rolling coal at its finest. Some say that ‘rolling coal’ is bad for the environment because of the black carbon smoke. Rolling coal has been around basically since the beginning of automobiles‚ and it has become synonymous with men‚ and hillbillies‚ many many environmentalists are against this because the emissions and
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Product safety (Chapter 6) P.289 Approaches Moral responsibilities In the increasing complexity of today’s economy‚ business more depended on their customers in survivable and profitable operation. Thus‚ business has responsibilities to customers and satisfies their needs‚ especially in the area of product safety. From toys to tools‚ cars to baby cribs‚ consumer uses countless products every day. They are undesirable that will be harmed or injured by products. For these reasons‚ society
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though fact that firearms could kill a human being or animal is the subject that is considered the most dangerous. Although the most dangerous thing about a gun is a person behind it. The only problem with guns is the people behind them. Gun safety is a topic that is often a topic of discussion in the new or on social media websites. With the mass shootings happening around the country at public places more and more people have given their own opinions on firearms. Most statements range from
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Yes. Perhaps you should) Discuss how ideas about power are presented in this extract and at least one other point in the play. Power is a very strong theme in Oleanna‚ it’s one that runs through out the play. Mamet was aware about the power struggles in America at the same time he wrote the play. The play was written in the 1990’s‚ at this time in America there was a very hot topic about ‘Gender Struggles’. It was the point where men had more power than women. It was the rise of second wave feminism
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different concentrations of salt water effect plants. The test that will be performed will prove which concentration will have the worst effect. The hypothesis is that by measuring the plants growth each day‚ the largest concentration of salt will harm the plants the most. First‚ the plants were purchased and the water was prepared with the salt concentrations. Second‚ the plants were watered each day with the different concentrations of salt. Third‚ the plants’ growth were observed and recorded each
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Attorney Delaware - Pedestrian Accident Sadly‚ Delaware has had recent safety issues regarding pedestrians. The last three years have seen an increase in pedestrian accidents mostly due to drunk driving. Drivers in a hurry contribute in a large part to this predicament as well. Most pedestrian accidents occur in parking lots from unsafe maneuvers. Government officials are trying to cut down on this by enforcing simple safety laws. But the truth of the matter does not come down to statistics if you
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Surgical Safety Checklist Before induction of anaesthesia (with at least nurse and anaesthetist) Has the patient confirmed his/her identity‚ site‚ procedure‚ and consent? Yes Is the site marked? Yes Not applicable Is the anaesthesia machine and medication check complete? Yes Is the pulse oximeter on the patient and functioning? Yes Does the patient have a: Known allergy? No Yes Difficult airway or aspiration risk? No Yes‚ and equipment/assistance available Risk of >500ml blood loss (7ml/kg in children)
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The Separation of Powers planned that the Constitution was originally only supposed to do one primary thing‚ “to prevent the majority from ruling with an iron fist.” Based on this and their experience that the framers went away from giving any kind of branch of the new government more power than they needed. Furthermore‚ the separation of powers provides a system of “shared power known as Checks and Balances.” The three branches that are created in the Constitution are Article 1 (Legislative Branch)
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