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Pollution

Pollution is the process of giving out contaminants such as smoke and carbon dioxide, and too much of a certain product such as light, heat and sound that both cause harm to the environment.

8,185 Questions

Why is noise pollution worse on a night?

The same intensity of noise may be present both day and night, but at night people are generally trying to sleep and the noise interferes with this activity. Most noise control by-laws specify lower acceptable dB levels during normal sleeping hours, latest times for particularly noisy activities, and specific "not before" times for the start-up of noisy activities.

What are different types of retailers?

The different types of retailers are. door to door, street vendors, vending machine, supermarkets, hypermarket, franchise shops, catalogues,....etc

What minerals found in the run-off from agricultural land and treated and untreated sewage effluents are responsible for eutrophication of water bodies?

nitrogen andphosphorus

Eutrophication occurs when fresh water is artificially supplemented with nutrients, which causes an abnormal plant growth. The output of waste into the water bodies from industries, agriculture, and urban communities generally exceeds the biological capacities of aquatic systems. Runoff of chemical fertilizers from fields is a major cause. When organic matter exceeds the capacity of those microorganisms in water that break it down and recycle it, it encourages rapid growth, or blooms of algae. When they die, remains of the dead algae add further to the organic wastes already in water; eventually, water becomes deficient in oxygen.

see this site:

http://envis.maharashtra.gov.in/envis_data/?q=waterpollution_quiz02&score=0

What are the unhygienic conditions of hyderabad?

With phenomenal growth of population the Transportation Network of Hyderabad has extended and become dense especially in urban portion of Hyderabad District. The burden of traffic on roadways is increasing day by day and causing more risk to the dwellers health. Road accidents have doubled during last five years besides the increase in several chronic physical and mental disorders due to air and noise pollution.

Population density in 60% areas of the city is very high especially in old city area and katchi abadies (squatter settlements). Whereas land use functional distribution is unplanned and concentrated in old city area especially retail and wholesale commercial functions. Socio-economically deprived and lower working class is the dominant population segment of these areas where living conditions are the significant cause of deteriorating public health due to unmanaged and unhygienic environmental conditions. The seasonal as well as diurnal weather change with awful environmental and living conditions enhances the deteriorated health. In weather transitional period epidemic patterns of acute epidemic of influenza, cough, sore throat, asthma attacks prevail throughout Hyderabad.

The public sector inherits meager financial resources for Hyderabad District as it is similar to the situation prevails all over Pakistan. Consequently a chain of problems is in front of Local Health Managers, Scientists, Professionals and ultimately the nation. Main health issues of Hyderabad are:

  • Increasing Maternal Mortality Rate (MMR)
  • Increasing Infant Mortality Rate (IMR) Extremely High
  • Low nutritional status of Women and Children
  • Growing Cardiac Problems
  • Expanding Cardiac Associated Problems
  • High raise of road accidents
  • High Incidence of Malaria, Diarrhea and Cholera
  • Rapidly increasing incidence Rate of chronic disorders such as diabetes, asthma, hypertension etc.
  • Increasing rate of Hep. B & C, Cancers and Dengue etc.
  • Unhealthy life style and unhygienic living conditions

In public sector Hyderabad comprises 85 health units under District Government control in which major District Government Hospitals (DGH) are DGH Shah Bhitai, DGH Paretabad, DGH Qasimabad, DGH CDF, DGH Phulleli and DGH Kohsar. Liaquat University of Medical and Health Sciences Hospital (Civil Hospital - Hyderabad) and its affiliated institutes such as Sir Cowasjee Jahangir Institute of Psychiatry work under Provincial Government's command. Private sector is also actively participating to provide quality health services such as Memon Charitable Hospital, Bone Care Hospital, Al - Quresh Hospital, Bin Tayyab Hospital, Muslim Marwar Hospital, ABM Hospital, Aga Khan Hospital, Isra University Hospital, Mehmood Hospital, Asim Clinic, Rajputana Hospital, Ghani Hospital, City Care Hospital, Hilal-e-Ahmer Hospital, Mohammadi Hospital, Maaji Hospital, Jinnah Hospital, St. Elizabeth (American) Hospital, Orthopedic & General Hospital, Surgicare Hospital, Hajiani Day & Night Hospital, Balair Hospital, Naseem Medical Centre and hundreds of small clinics etc.

Existing infrastructure is still insufficient and affordability of high quality service through private sector is a big issue especially for lower middle and working class of the district. The patients are not getting proper attention by the medical staff, medicines and diagnostic equipments are scarce and so many other facilities are also missing.

To ensure standard health facilities for the poor masses, around 21 schemes of PKR. 339.4 million have been launched by the present District Government as an immediate action plan. These include:

  • Construction of 06 new hospitals, including a modern Trauma Center with helipad on the rooftop
  • Diabetic Centers in 65 Health Units
  • Free Dialysis Center
  • Uplift of mother and child care centers
  • Provision of required medicines and chemical equipments
  • Uplifting of Pathological Labs
  • Establishment of Cardiac and Pediatric Wards
  • Anti viral and bacterial campaigns
  • Free treatment of Hepatitis Patients

Another important development in the health-related services is the establishment of the first ever food testing laboratory by any district government. Now timely examination of substandard food is done in Hyderabad and action against the defaulters is not delayed, whereas previously food samples had to be sent to Karachi for testing.

Are matches biodegradable?

Wooden and paper matches are biodegradable. The begin to dissolve rather quickly over a period of days and weeks.

Is non-chemical or non-salt water purification better?

ecosmarte is a non chemical and non salt water water purification for swimming pools

What are unhygienic conditions?

Unhygienic means that unclean and constituting a likely cause of disease.

What are the environmental impacts of depositing waste from a water treatment facility in a landfill?

The groundwater near the landfill would become polluted by the wastes, unless the landfill site was carefully designed and built to prevent pollution of groundwater resources.

When thereis a lot of water why do you try to conserve it?

bcoz not all water is pure and we can use there is lot of contaminations and hardness in most of water

What are the different types of miscarriages?

There aref our types of miscarriages.

1.) Threatened miscarriage- Bleeding with a threatened miscarriage is light and you may spot on and off for a few days. Typically, the pain is not severe with a threatened miscarriage. Losing the baby is not inevitable and your cervix remains closed. An ultrasound can determine what is happening and a blood test will determine your HcG levels.

2.) Inevitable miscarriage- Bleeding will continue with an inevitable miscarriage. Because your body is going to expel the pregnancy, you are having contractions and you might experience low back pain and abdominal cramping. Your practitioner will give you an exam, and you will begin to dilate. At this point, a miscarriage will probably happen within twenty-four hours. A spontaneous abortion is when you are passing clots and experiencing pain. In a complete and spontaneous miscarriage, all of the placental and fetal tissue is expelled from your uterus. Some doctors will want you to save the placenta and fetus in a container so that it can be examined. Doctors will try to figure out what went wrong with the pregnancy and make sure it does not happen again. If the miscarriage was complete, your bleeding and pain will stop and you will feel fine in a few days. Your uterus will contract back to its prepregnant size and shape.

3.) Imcomplete abortion-You have experienced a miscarriage and with an incomplete abortion, your body has expelled most of the placenta and fetus but not all. Hemorrhaging is a possibility because your uterus will not be able to contract to stop the bleeding. Your doctor will order a dilation and curretage-D&C. During the D&C, your cervix is widened and the remaining tissue is scraped or sucked out.

4.) Missed abortion- Occasionally, the fetus will die early on in the pregnancy and remain in the uterus. During a missed abortion, you will not experience any pain or bleeding, but you will start to feel that something is not right. Your symptoms of pregnancy may decrease or go away completely. Even though the fetus and placenta are still in the uterus, your HcG levels have dropped. An ultrasound will confirm that the baby has stopped developing and you will be sent for a D&C.

What can happen to dogs that eat sewage from a septic tank?

This raw sewage is full of bacteria that would make any animal or person ill. Take to a vet or monitor for appetite loss is you are unable to do so immediately.If appetite loss happens, get to a vet immediately.

A dog could be suffer some kind of kidney issues because of the sewage. A dogs or human for that matter, organs are simply not made to filter that kind of substance.

What are different types of disinfectant?

Disinfectants can be classified in two different ways. One is by what type of chemical they are. For example, the active ingredient in Lysol is O-phenylphenol. Phenol and some other disinfecting chemicals are chemically similar. Another way to classify disinfectants is by how many hard-to-kill microbes they are effective against. High level disinfectants can kill most endospore-forming bacteria which tend to be very resistant. There are intermediate level and low level disinfectants as well.

How long tires decompose?

It acually takes a really long time.. but a lot longer in a landfill.. people should just RECYCLE!!!!

What is a Pigovian tax?

Pigovian taxes are aimed at correcting the effects of a negative externality. Such taxes can reduce negative externalities at a lower cost than regulations because the tax places a price on a negative externality.

How do you make a plastic bag parachute?

You can make it by getting a piece of plastic bag and do the yarn steps...

After instead of interlocking them you do the hardest you can to tie them without breaking them and at least having three - don't care how they look they can have hoops hanging off of it, it doesn't matter - then you choose one hoop on one side then you hang the rest of the pieces on with out any loops and then for the other side you need to make sure that the loop can fit to the waste - if not break it and tie it a different way - then put it on and run and if you can find a way to make wings submit that, okay here it is all done with instructions

A sentence using non-biodegradable?

Some plastic is non-biodegradable, in the sense that it takes longer than several lifetimes for the plastic to disintegrate.

A glass bottle is essentially non-biodegradable.

How should non-biodegradable waste be disposed?

Non-biodegradable waste such as plastic, glass, or metal belongs in the recycling bin. Other non-biodegradable waste (such as styrofoam) is non-recyclable and belongs in the regular trash bin.

See the Related Link below for information about recycling in your area (in the USA). Scroll to the bottom of the page for recycling in the UK.

What is food pollution?

The ancestral Inuit diet is based on fish, sea mammals and game, all of which are high up the food chain. But air- and sea-borne pollutants are lodging in the Arctic and infiltrating these traditional foods.

"Certain pollutants, such as chlorinated pesticides and PCBs, find their way to the Arctic by air or by sea from as far away as India and Egypt," said Laurie Chan, a toxicologist with the Montreal-based Centre for Indigenous Peoples' Nutrition and Environment (CINE), which conducts research on northern nutrition and consumption.

Substances known as persistent organic pollutants, or POPs, are now banned in North America but still used in developing countries. Harmful agricultural pesticides evaporate from farmland and are carried across oceans and continents by wind to the frozen Arctic, which scientists believe acts as a sponge for a wide range of pollutants. Chemicals then make their way into the food chain and settle in animal fat, an Inuit staple.

"Native people consume much animal fat," said Chan, "especially in mammals who in turn eat a lot of fish." The contaminants accumulate and become more concentrated the higher they go up the food chain towards human consumption.

At the same time Inuit who had switched to processed foods -- perhaps spurred by television advertising -- are trying to return to the eating habits of their ancestors.

But a recent report by the Canadian Polar Commission, a government-funded watchdog that advises on northern issues, warns that contaminants in traditional foods could reach dangerous levels in the next few decades unless trends are reversed.

Medical statistics have already shown an increase in obesity and kidney disease among native people of the North, which some experts believe may be traced to the shift towards store-bought food.

Another report recently found that levels of contaminants in northerners who eat marine mammals could be harmful to the unborn. A six-year survey by the National Contaminants Program, which groups government ministries and native organizations, warns that memory and learning abilities could be affected in the womb because of chemicals which have accumulated in the mother's body.

In addition to pollutants carried by air and sea, traditional food in the North is being threatened by the remains of abandoned military bases that dot Canada's Arctic shores.

Crumbling buildings, rusting metal drums and twisted towers are the sorry reminders of radar sites which North America once considered vital to its defence strategy. The bases gradually became obsolete and were quietly closed down back when little was known about the carcinogenic nature of asbestos and PCBs. These substances are now filtering into the environment, adding to contamination from far-off sources. Radioactive wastes from the North Sea are also contributing to the pollution.

Whatever the health warnings, the Inuit have made it clear they won't stop eating the nutritional food that has sustained them for thousands of years.

"If you're told not to eat your food, or told not to consume parts of the animals, that does real damage to the intricate connections that we have to our foods and our animals," said Norma Kassi, environmental coordinator for the Council of Yukon First Nations.

"We consider them to be a part of us just as we are a part of them, so that breaks a tie, and will hurt a culture much more than anything else. You can't remove us from our food systems -- it just can't be done."

While there are isolated areas where contamination is already significant, Kassi says most of the food is still safe.

"Yes, there is contamination in our food, but relatively it is still very, very good," she said. "We want to encourage more use of it."

One thing all experts agree upon is the need for caution and for more research before raising the alarm or reaching a verdict on short-term food safety. But the long-term picture looks grim and scientists say danger could be just around the corner if the situation is allowed to deteriorate.

To mark its concern about transboundary pollutants, Canada is spearheading international efforts to ban the use of POPs. At risk are the food chain and the quality of life of some 125,000 circumpolar Inuit spread out across Canada, Russia, Alaska and Greenland.

Unlike many other environmental threats, specialists contend food contamination can be beaten if it is taken seriously enough, soon enough, by those who control the purse strings.

Is the Colorado River polluted and how did it get polluted?

All rivers are polluted to a greater or lesser extent. However there are concerns regarding by-products of uranium processing activities as an estimated 16 million tons of chemically and radioactively hazardous tailings exists very close to the river at the area of Moab. There is a budget of about $23 million allocated to the rectification of this matter.

What are the different types of agonist?

There are partial agonists and full agonists. Partial don't elicit a maximum response and have an efficacy of less than 1. Full elicit a full response and have an efficacy of 1. There are also antagonists that bind to receptors but don't elicit a response. Inverse agonists produce an opposite response.