Effect of population density essay

Check the model essay and then read the comments. Many people believe that social networking sites such as Facebook have had a huge negative impact on both individuals and society. To what extent do you agree? Social networking sites, for instance Facebook, are thought by some to have had a detrimental effect on individual people as well as society and local communities.

Effect of population density essay

Generally the author has to savagely pound a square peg into a round hole, with regrettable results. The classic horrible example is deep space fighter aircraft. Most pulp falls for the old Space Is An Ocean fallacy along with the related misconceptions. Many pulp writers figured they were the first to have the bright idea of transplating the colorful legend of the dreaded Sargasso Sea into science fiction.

A deadly area of space that somehow traps spaceships who venture too close, only to join the deadly graveyard of lost ships. And not just human ships, a couple stories mention humans discovering wrecks of unknown alien spacecraft mixed in with the conventional ships.

The graveyard typically contains everything from recent ships all the way back to historical ships dating to the dawn of space flight. Some stories populate the graveyard of dead ships with castaways. Who will probably be interested in looting your ship of any supplies it contains.

The original legend dates back to when line-of-sight was limited to the horizon, so a sailing vessel poking at the edge of the sargasso could not see the interior. Not without being caught, that is. With the invention of radar and the realization that there ain't no horizon in space, writers realized they'd have to make the space sargasso sea more invisible.

Usually they'd add on the legend of the Bermuda Triangle in the form of an intermittent "hole in space" leading to a pocket universe. Some kind of wormhole or stargate that would transport the hapless spacecraft to a graveyard of lost ships safely out of sight.

Obviously this is highly unlikely to happen in the real world. But it sure is romantic, in a sci-fi pulp fiction sort of way. Disabled spacecraft who drift into the point will be trapped, which is sort of true.

The author does not explain why this is not true of the L4 and L5 points of every single planet in the solar system. He calls the graveyard of lost ships the "wreck-pack", and the gravitational attraction of the wrecks keep ships from drifting out.

Short Essay on Population Density ( Words)

The latter is a concept that was disproved by Michelson and Morley inbut most of the readers didn't know that. The ether-currents form sort of a one-way whirlpool which sucks hapless spacecraft into the graveyard of lost ships trapped in the eye of the storm.

Captain Future escapes by cannibalizing engine and atomic fuel from the other derelict ships, an idea that apparently didn't occur to any of the prior castaways.

He has a side adventure when he stumbles over an alien spacecraft full of aliens in suspended animation. The "adventure" part comes in when Captain Future discovers the octopoid creatures are space vampires and they start to wake up.

Certainly strange things happen to hyperdrive starships who venture too close. Things like hallucinations, ghostly whispering voices "Spaceman, go home. Many dissappear, so prudent ship captains give the Nebula a wide berth.

The cause of all this is an ancient race of Elf-like psionic aliens living on a planet near the Nebula's center.

The antigravity Okie cities are sort of the migrant laborers of the galaxy. The stellar currency is based on germanium, some idiot figure out how to synthesize it and inadvertenly obliterated the economy of the entire galaxy.

Effect of population density essay

Since everybody is now broke, the flying cities cluster in what is basically an interstellar hobo jungle. When they visit they learn the planet has a still-working alien installation created by forerunners which can grab passing spacecraft and crash them onto the graveyard of lost ships.

As it turns out a crime syndicate wants to utilize the installation for fun and profit, so hilarity ensues. Apparently it started as a small sphere of neutronium or other dense material. As derelict ships stuck to it by gravitational attraction the total gravity grew. It is only a menace to ships with broken engines or no fuel.

The planetary governments keep talking about blasting it and salvaging the metal but can never agree on the details. Our heroes accidentally crash into it, breaking their Gormann series eighty radarscope.

They cannot escape without one. So they start investigating the ships of the graveyard hoping to scavange a replacement.

Scholarships | Negative Population Growth

That's when they discover the hard way that anybody trapped in the graveyard will have to resort to cannibalism in order to survive, and who will treat them like the unexpected arrival of fresh meat on the hoof.

A hole in space drops them in to a pocket universe answering to a sargasso sea, and packed with the graveyard of lost starships. They find the centuries-old Starship Bonaventure, first starship with warp drive.Or, What I’ve Learned in 12 Years Writing about Energy ( words, about 25 minutes reading time) Folks who pay attention to energy and climate issues are regularly treated to two competing depictions of society’s energy options.

Population density (in agriculture: standing stock and standing crop) is a measurement of population per unit area or unit volume; it is a quantity of type number timberdesignmag.com is frequently applied to living organisms, and most of the time to timberdesignmag.com is a key geographical term.

In simple terms population density refers to the number of people living in an area per kilometer square.

The Economist offers authoritative insight and opinion on international news, politics, business, finance, science, technology and the connections between them. The IELTS writing task 2 sample answer below has examiner comments and is band score 9.

The topic of social media is common and this IELTS essay question was reported in the IELTS test. The Population Distribution of U.K.

Notes on the listings

Essay - The Population Distribution of U.K. The average population density in the UK is people per square mile, compared to for Western Sahara, for example.

Overpopulation is an undesirable condition where the number of existing human population exceeds the carrying capacity of Earth.

Overpopulation is caused by number of factors. Reduced mortality rate, better medical facilities, depletion of precious resources are few of the causes which results in.

A Guide to Isaac Asimov's Essays