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Continue Learning about American Government

Give two essential features of a catalyst?

- it speeds up the reaction by offering an alternative root. - it remains the same at the end of the reaction.


How fast was a civil war cannon ball?

A cannon ball traveled at speeds up to and or exceeding 100 miles per hour this depended on how well the cannon was packed how much powder was charged and the degree the cannon barrel was angled many soldiers packed two balls connected by a large chain this increased the effectiveness of the cannon others where loaded with many smaller balls like buckshot in a shotgun.


How does interstate highways affect linear distance and time distance?

Interstate highways typically follow a straight path between two points, which can be considered the linear distance. This can make linear distance shorter compared to non-interstate routes. Additionally, interstate highways are designed for high-speed travel, so they can reduce the time distance between two points by allowing for faster travel speeds compared to local roads. Overall, interstate highways can significantly decrease both linear distance and time distance for travelers.


What was the purpose of a granade?

There are three kinds of grenades. Antipersonnel grenades are used against people. There are fragmentation grenades, which break up when they explode and scatter, at high speeds, pieces of metal which injure or kill whoever you used the grenade against. There are also distraction grenades which create a loud noise and bright flash of light to stun the target...while they're stunned, you can rush in and take them into custody. (SWAT teams love distraction grenades.) Smoke grenades produce thick clouds of smoke. There are white smoke grenades used to conceal troop movements, and colored smoke grenades used for signaling. Product-delivery grenades come in two varieties. The first are White Phosphorous (willy-pete), which is an incendiary agent. The other are Tear Gas grenades.


How do landfills pollute groundwater?

Landfills are a great example of "Out of sight - out of mind" Once the final cover od soil and grass is in place the potential problems are ignored. Wastes in a landfill can be broken down into several categories: * Inert * Toxic * Biodegradable * Soluble (leachable) A properly designed waste disposal site is contained by liners and clay covers so that nothing gets in or out. A poorly designed system is more like a teabag. So what comes and goes through a poorly designed site? Water comes through from the surface. This speeds up decomposition and brings in oxygen to promote the growth of microorganisms. The decomposing organics liberate methane gas (a powerful greenhouse gas). The gas flows out of the surface of the site to the atmosphere or travels with pores in the soil to local basements causing safety problems. As the water seeps through the mass of waste it dissolves organics, salts and metals from the site. These flow down and into the groundwater where they degrade the potability and usefulness of the water in several ways. If the water flows out into a stream it can kill fish or eutrophy the water to promote algae growth