Lesson I 1 Previewing‚ Rehearsing‚ and Showing the Presentation Once the presentation is done‚ the next thing that you should consider is how the presentation should run. Therefore‚ it is important to preview and rehearse a presentation before the final show. While rehearsing a presentation‚ timings may be set to see how long its running time is. Slide timings can be set in two ways: automatically through rehearsal or manually in the Slide Transition task pane. Adding Timings through Rehearsal
Premium Graphical user interface Presentation English-language films
The "fuel cell cars" currently being advertised are being touted as "having no emissions except water." In a limited sense that is‚ in fact‚ true. However‚ if the entire fuel cycle for the car is considered it most certainly is not. The fuel used by the fuel cell is hydrogen‚ very pure hydrogen. Combined with oxygen from the ambient air‚ the fuel cell produces electricity that powers an electric motor and other devices in the vehicle--just like the battery-driven electric vehicles already on the
Premium Electric vehicle Internal combustion engine Fuel cell
as an alternative fuel to your health and the environment in the Philippines Science‚ Technology and Society 2 Josel Palaspas Introduction In the Philippines‚ LPG (liquefied petroleum gas) is mainly used for domestic cooking‚ heating and lighting. It is used worldwide as a modern‚ clean‚ low-carbon energy. This source of energy has made life simpler to help us with our basic needs while people earlier had to rely on wood‚ charcoal and animal waste to provide as their domestic fuel. As we
Premium Petroleum Natural gas Fuels
How to Replace Damaged IPhone Back Casing How to Replace Damaged IPhone Back Casing Getting your smart phone repaired could be very costly‚ but if you do some research and repair it yourself; you can save a lot of money. It felt very bad when I accidently dropped my iPhone on the tile floor and this cracked the back casing‚ but It made my day when I ordered a new back casing for little to nothing and repaired it very easily. Watch Tutorial Video First step is to search for a tutorial video
Premium Google Mobile phone Conservatism
What do you think of when you hear “Enterprise Rent-A-Car”? Do you think of “We’ll pick you up”—the catchphrase that reflects the company’s willingness to come to your door when your car’s in the shop or you’re ready to take a trip? You probably don’t think “largest rental car company in the United States” or “hires more college grads than any other company.” Both of those descriptions are true‚ however. The company started in St. Louis when Jack Taylor opened a tiny auto-leasing business and named
Premium Car rental companies Car rental Damage waiver
USE ALTERNATIVE FUELS‚ SAVE PLANET EARTH We are all aware of the current state of our environment. Mother Earth is on the brink of total destruction brought about by pollution‚ irresponsible use of resources‚ and the excessive use of conventional fuel such as fossil fuel and nuclear energy. Part of the efforts to save our planet is to shift from using conventional fuels to alternative ones such as wind energy‚ solar‚ tidal‚ wave‚ oceal‚ thermal‚ dendrothermal‚ biogas and biodiesel‚ alcohol
Premium Energy development Fossil fuel Wind power
Fossil Fuels and Alternative Energy Resource Worksheet Using the textbooks‚ the University Library‚ or other resources‚ answer each of the following questions in 150 to 200 words. 1. Select a fossil fuel. How is this fossil fuel used? What are the adverse effects on the environment? The fossil fuel I would like to use and is the most popular fossil fuel would be oil. Oil is used into things like gasoline‚ which is used for very much all of our transportation needs still now and those in the past
Premium Fossil fuel Energy development Petroleum
Hydrogen Fuel Cell Cars: Worth the Investment? Hydrogen is the most abundant element in the universe‚ but only recently have people been able to harness this resource and turn it into energy. Hydrogen fuel cell cars are one such advancement made in the effort to turn hydrogen gas into electricity. Fuel cells in the car are used to convert hydrogen into an electrical current‚ and thus power the vehicle. Fuel cells convert hydrogen and oxygen into water while producing electricity. Hydrogen fuel cell
Premium Fuel cell Hydrogen vehicle
Even though fossil fuels were satisfying the people needs all these years‚ the emissions from it‚ called the green house gasses results in Global Warming‚ which has become a serious threat to the environment. Despite the fact that renewable energy from natural resources like sunlight‚ heat‚ tide‚ wind which are much safer to the environment‚ they can satisfy only 18 to 20% of the total energy needs. So the need for an efficient alternative for energy is on high demand. Nuclear power is being promoted
Premium Nuclear power Uranium Energy development
sugar cane. Ethanol is also made from the hydration of ethylene from petroleum‚ though the majority of ethanol is produced by fermentation. It is considered an alternative fuel source as it is regarded to be renewable and more beneficial to the environment. As a car fuel ethanol is blended with petrol in different concentrations. In cars‚ carbon monoxide is produced from the incomplete combustion of petroleum. By adding ethanol which has 35% oxygen the combustion is more complete and there for reducing
Free Gasoline Carbon dioxide Internal combustion engine