The Link Between An F Oversupply And Cdr

When looking at Niger’s spatial distribution, many of the causes of the nation's water issues can be examined and made obvious. Niger has a geographical disadvantage, being landlocked by the countries Chad, Berkina Faso, Benin, Mali, Libya and Algeria. Eighty per cent of Niger is occupied by the Sahara desert, the largest hot desert in the world, renowned for its hot climate and lack of precipitation. According to statistics, Niger receives an average of 7 inches (17.78 cm) of rainfall a year, most of which comes in the months of July and August. Niger is in close proximity the equator, which leads to extremely sultry temperatures, averaging 29 degrees during the dry season and 40 degrees during the humid season. Compared to the climate of the neighbouring nations of Morocco and Algeria, the climate of Niger is extreme. However, Niger has a huge supply of water far underground, about three billion cubic metres of drinking. These factors of Niger’s spatial distribution, from terrain to climate, contribute to the water scarcity.

More than half of the world’s tropical rainforests can be found in Central and South America, however they are also present in south eastern Asia and Africa. All of the world’s tropical rainforests can be found at the approximate location of -20 degrees latitude, also known as the area between the Tropic of Cancer and the Tropic of Capricorn. These types of areas exist because of the specific climate, soil types, and diversity present in these regions. This specific area falls in the equatorial and tropical zone and are therefore their climates are controlled by the intertropical convergence zone (ITCZ) and it’s low pressure centers around the equator. Winds present are moist equatorial (mE) and moist tropical

Vitamin D plays a critical role in many normal bodily functions as well as fighting against a wide number of health barriers. In an article by Jacqueline Kanopa, studies revealed that exposure to ultraviolet rays play a huge part in Vitamin D production, as well as having preventative effects on a disorder known as rickets; which leads to weakened bones due to lack of Vitamin D. This study supports the belief that exposure to UV rays play a critical role in Vitamin D production, and can be beneficial to those prone to certain

Rickets is seen during periods of rapid growth because during growth a great deal of vitamin D, phosphorus, and calcium are needed. “The predominant cause is a vitamin D deficiency, but lack of adequate calcium in the diet may also lead to rickets. Although it can occur in adults, the majority of cases occur in children suffering from severe malnutrition, usually resulting from famine or starvation during the early stages of childhood” (Rickets, 2007). If a child is severely lacking theses important vitamins and minerals when they are rapidly growing, then the body will compensate for the nutrients’ deficiencies. “Your body senses an imbalance of calcium and phosphorus in your bloodstream and reacts by taking calcium and phosphorus from your bones to raise blood levels to where they need to be. This softens or weakens the bone structure, resulting most commonly in skeletal deformities such as bowlegs or improper curvature of the spine” (Mayo Clinic Staff, 2006).

The current data suggests that water fluoridation disproportionately harms low-income and minority communities. In 2005, the Centers for Disease Control released the results of a national survey of dental fluorosis, which was conducted between 1999 and 2002. According to the results, in the U.S., African American children have significantly higher rates of dental fluorosis.2 Same observation has been made in other studies as well. Another study conduced in Indianapolis, Indiana, shows that “the prevalence of dental fluorosis in African American children (80.1%) was significantly higher than in Whites (62.5%). 3

According to the Centers for Disease Control and Prevention, “dental fluorosis is a change in appearance of the tooth’s enamel. These changes vary from barely

Savannas are important, it has a lot of fascinating plant and animals. It is also the home of a lot of fascinating plants and animals. The animals that live in the savanna would probably be extinct without the savanna because it's their home. They rely on this biome for food and water. The animals can't just go live somewhere else because their habitats are in the savanna and they’ve adapted their life to survival here. This paper will discuss and outline the important components of a savanna including the climate, landforms, location, and other important and interesting facts regarding the savannas across the world.

Either way, diseases are all around us, so it is encouraged to look out for our children first. Rickets is a disease that can occur when the child is deficient in vitamin D. Rickets was common the world more so in the 20th century, but up until the 1930’s doctors had no way to treat the disease. This disease was a mystery to many people, they had no idea how to fix it. In the 1930’s they discovered anti-rachitic properties in cod-liver oil that

Seedlings establishment represents the most serious bottleneck to successful tree recruitment in tropical grasslands and savannas (Prins and Van der Jeugd 1993; Higgins et al. 2000; Loth et al. 2005; Wiegand et al. 2006; Van der Waal et al. 2009; van Langevelde et al. 2011). Over the last few years there has also been increasing conformity that disturbances (e.g., fire, herbivory, drought) substantially contribute to the stability and dynamics of dry tropical forest largely through their influence on the demographics of seedlings and juvenile trees (Bond et al. 2005; Wiegand et

First of all, naturally fluoridated water has fluorine levels of approximately 0.4 mg/L, while artificially fluoridated water can have levels up to 1.0mg/L. This long-term ingestion of excess fluorine can lead to fluorosis which may negatively impact teeth and bones. Dental fluorosis occurs during tooth development. Teeth are mostly composed of hydroxylapatite, which is a mineral form of calcium. When intake of fluoride increases, it also increases apatite content, creating white streaks and in more serious cases cause mottling of teeth. In addition, fluoride levels in breast milk are around 0.004mg/L. Therefore, infants who drink baby formula with fluoridated water will be exposed to 300 times more fluoride, increasing the risk of developing dental fluorosis. Skeletal fluorosis is another disease in which fluoride accumulates in the bone for several years. Early symptoms of skeletal fluorosis may be forms of arthritis such as osteoarthritis and rheumatoid arthritis which are joint pains and stiffness. In more severe cases, the bone can calcify, which is the conversion of soft bone tissue into hard and insoluble calcium compounds. This can lead to muscle and joint impairment. (WHO) For over 40 years, U.S health organizations have claimed that skeletal fluorosis will not develop unless an individual intake 10-20mg/L of fluoride every day. However, studies in India and China shows that a person can have skeletal fluorosis with levels of 0.7-1.5mg/L. Fluoride can also impact

The Brazilian Pampa is located between latitudes 28º00’ S and 34º00’ S and longitudes 49º30’ W and 58º00’ W, occupying an area of 63% of the Rio Grande do Sul State. The biome lies within the South Temperate Zone and has both subtropical and temperate climates with four well-characterized seasons. Grasslands, with sparse shrub and tree formations, are the dominant vegetation. Because of the natural grasslands, livestock production is one of the main economic activities (Roesch et al., 2009). Despite the ecological and economical importance, the anthropogenic land use in the Pampa biome have been changing the structure of natural plant and animal communities by the introduction of exotic species and conversion of natural areas into agricultural land. It is estimated that half of its original vegetation has been

Fluoride could be responsible for acne in some cases. While contributing to low I.Q., bone fractures, disrupts immune system, Arthritis, Muscle disorder, increases aging process, damages sperm and increases infertility. Even though fluoride is a cumulative Poison there are

forests experience mild summers and winters with temperatures varying from -30° C to 30° C. Because of seasons of winter, spring, summer and fall, precipitation occurs primarily in the form of rainfall and snow of 75-150 cm annually. Temperate forests are the world’s

“Influence of 1100 years of burning on the central African rainforest” is written by Nordic Society Oikos group, there was six scientists who worked on this research. The scientists

At about 3.6 million square mile, the Sahara Desert, located across North Africa, is the world’s largest hot dry land desert. It was not until the early 1960’s that the impact of the dry land received attention. Known as the Sahel, the region was previously known for its wet arable land. Present day, the Sahel has taken the form of a semi-arid dry land that expands over eleven African states: Egypt, Mauritania, Mali, Algeria, Chad, Sudan, Niger, Tunisia, Morocco, and Western Sahara. Desertification, or arable land degradation, has occurred in the Sahel over the past ten thousand years, dating back to the ice age. During the Pre-Classical era many ancient civilizations found home at the Nile River Valley. Plentiful monsoon rains permeated the Sahel, but water on the surface of the Sahel has decreased significantly as desertification has inversely increased, leaving only unreachable underground water reservoirs. Stress is put on the Sahel region from services: agriculture, forage, energy, raw materials, etc. Gradually over time the carbon build up in the atmosphere has caused increased water vapor instead of it being recycled into rainwater. Without rain water plants, or autotrophs, cannot perform adequate photosynthesis and carbon fixation, thus carbon build up continues to occur further trapping carbon in the atmosphere and increasing global climate.