_________________. These synapses are always (excitatory or inhibitory). Advantages of the electrical synapses: 1. _______ signal conduction 2. _____________ activity for a group of neurons. 6. The chemical synapse: Chemical
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custom Impacts of Oil Spills on Marine and Terrestrial Ecosystems essay In this paper am going to examine the factors contributing to oil spills‚ and their effects on marine and terrestrial ecosystems. This addition of phytoplankton leads to depletion of oxygen levels in water‚ making it hard for survival of animal and plant population in the water. These oil spills do not only affect the marine system but also the chronic urban contamination and the economic loss. The oil spill has total effect on
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S.O.S.E Script For more than 100 years‚ oils spills have been affecting most of our oceans‚ with a lot of oil pollution. This is a major problem and occurs around most of the world and sometimes in the same ocean a numerous amount of times. Oil spills‚ not only affect our oceans beauty but affect the marine life as well. But sometimes there is no way to prevent oil spills. A majority of oils spills are spilt into the oceans due to harsh water conditions or a hurricane. The U.S. Environmental
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Chemical Reactions and Equations Chemical Reaction: The transformation of chemical substance into another chemical substance is known as Chemical Reaction. For example: rusting of iron‚ setting of milk into curd‚ digestion of food‚ respiration‚ etc. In chemical reaction new substance is formed which is completely different in properties from the original substance‚ so in a chemical reaction chemical change takes place. Following are the signs of chemical reaction: (a) Change of state of substance
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My Chemical Romance. Gerard‚ Mikey and Frank all had drug problems. Mikey and Gerard‚ on top of that had alcohol problems. They got themselves better. They knew no one else could help them. What encouraged them to get better? Themselves‚ and the music. Ray had the absolutely awful job of having to watch them go through all of this‚ on top of him trying to be the perfect guitarist. Frank would do drugs over the weekend‚ and wake up on Monday not knowing anything that had happened. Mikey felt
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Report Submitted: February 17‚ 2013 Title: Physical and Chemical Properties Purpose: To investigate and learn the physical and chemical properties of pure chemical substances. Procedure: I used various different tools to investigate the different physical and chemical properties‚ such as blue and red litmus papers‚ beakers‚ and wells. Data Tables: Substance Name Color Odor Heat Effect Cold H2O Hot H2O Litmus Test Dilute HCl Dilute NaOH Mg Silver None None None Not soluble‚ small bubbles Red
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2014 Lab report #1 on chemical and physical properties/ changes Introduction Summary: The purpose of this experiment is to allow students to understand how to differentiate physical and chemical properties and reactions of matter by observing changes of matters under circumstances. Physical properties are properties of matter that can be observed without changing the composition of the matter‚ including the volume‚ mass‚ color‚ density‚ and shape of it. Chemical properties include the matter’s
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Shelby Brown 8/28/10 Physical and chemical changes lab essay Changes in matter occur every day. There are two types of ways matter can be altered; physically and chemically. Physical changes do not change the composition of the matter while chemical changes occur when one or more substances turn into a completely new substance. Physical changes can be seen through an altering of the substances physical property. A substances physical property is observed and measured without changing
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Name: Tom Flannigan Title: Physical and Chemical Properties Purpose: To investigate the chemical properties of pure chemical substances. To investigate the physical properties of pure chemical substances. Procedure: For this lab we used four test tubes and poured equal amounts of a substance in each test tube. We then observed the color and odor. We then heated the substance and recorded the observation. The next tube we added cold water and observed the effects‚ then we heated it
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Ethical Issues surrounding the BP Oil Spill By: Angela Higgins December 16‚ 2010 The BP Oil Spill which happened on April 20‚ 2010‚ was the largest offshore oil spill in U.S. history releasing approximately 185 million gallons of crude oil into the gulf. This event was the result of a wellhead on the Deepwater Horizon oil drilling platform blowing out in the Gulf of Mexico approximately 40 miles southeast offs the Louisiana coastline. Eleven men working on the oil rig platform were killed
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