nusybah
My essays:
- Spartacus the rebel leader who fought against the Romans with an army of fellow escaped slaves is one of the most famous figures in ancient Roman history Spartacus led his men against their Roman oppressors and managed to defeat the Roman army in several 78
- Glass is a favored building material for modern architecture yet it is also very dangerous for wild birds Because they often cannot distinguish between glass and open air millions of birds are harmed every year when they try to fly through glass windows T 88
- Amtrak is an intercity train service currently owned by the United States government There are a number of critics who believe that the government should not own Amtrak and that Amtrak should be sold to a privately owned company These critics put forward 81
- Because of climate change more and more land that was once used to grow crops or provide food for animals is turning to dry unusable desert land There are many proposals about how to stop this process known as desertification A number of proposals involve 3
- At the end of the Triassic period 200 million years ago there was a mass extinction event that caused the extinction of more than half of all living species It was this extinction event that allowed dinosaurs to become the dominant species for the next 14 70
- In 1995 a microscopic fungus called Phytophthora ramorum or P ramorum was first detected in the forests of the western United States P ramorum infects trees and causes particularly serious damage in oak trees in many infected oaks leaves wither rapidly la 73
- Underwater whales produce loud noises known as songs Scientists use whale songs to study the movements for migrations of groups of whales Recently scientists discovered something unusual a single solitary whale whose song is unlike that of all other known 71
- Populations of the yellow cedar a species of tree that is common in northwestern North America have been steadily declining for more than a century now since about 1880 Scientists have advanced several hypotheses to explain this decline One hypothesis is 68
- An airship is a type of aircraft that flies using a very large balloon filled with a lighter than air gas Airships were an important means of air transportation before the 1940s but are little used today having been largely replaced by airplanes and helic 78
- The Salton Sea in California is actually a salty inland lake The level of salt in the lake s water what scientists call its salinity has been increasing steadily for years because the lake s water is evaporating faster than it is being replaced by rainfal 85