rk21
My essays:
- TPO-42 - Integrated Writing Task 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 the 70
- TPO-22 - Integrated Writing Task Ethanol fuel, made from plants such as corn and sugar cane, has been advocated by some people as an alternative to gasoline in the United States. However, many critics argue that ethanol is not a good replacement for gasol 85
- TPO-48 - Integrated Writing Task In recent years, many frog species around the world have declined in numbers or even gone extinct due to changes in their environment. These population declines and extinctions have serious consequences for the ecosystems 90
- TPO-48 - Integrated Writing Task In recent years, many frog species around the world have declined in numbers or even gone extinct due to changes in their environment. These population declines and extinctions have serious consequences for the ecosystems 90
- TPO-15 - Integrated Writing Task The cane toad is a large (1.8 kg) amphibian species native to Central and South America. It was deliberately introduced to Australia in 1935 with the expectation that it would protect farmers' crops by eating harmful insec 85
- TPO-41 - Integrated Writing Task Burning coal in power plants produces a waste product called coal ash, a material that contains small amounts of potentially harmful chemicals Environmentalists in the United States are concerned about the damage such harm 66
- TPO-34 - Integrated Writing Task A huge marine mammal known as Steller’s sea cow once lived in the waters around Bering Island off the coast of Siberia. It was described in 1741 by Georg W. Steller, a naturalist who was among the first Europeans to see 83
- TPO-49 - Integrated Writing Task Like many creatures, humpback whales migrate long distances for feeding and mating purposes. How animals manage to migrate long distances is often puzzling. In the case of humpback whales, we may have found the answer: the 76
- TPO-49 - Integrated Writing Task Like many creatures, humpback whales migrate long distances for feeding and mating purposes. How animals manage to migrate long distances is often puzzling. In the case of humpback whales, we may have found the answer: the 76
- TPO-23 - Integrated Writing Task 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 expla 80