Common Errors in English Test: Affect Effect

affect^ � verb � to act upon, to change or to cause a change. |affect^ed � adjective � influenced by an outside force.|Experts say individuals who hunt meat for their families do not affect^ the number of animals in the African forests.|They also want to find out how these chemicals affect^ health.|It begins to affect^ them several years later.|The drought could affect^ Americans in several ways.|He says the study will help scientists better understand how human activities affect^ Earth's climate.|It can affect^ people at any age.|All of them affect^ the body's production of blood cells.|The amount of virus in the blood did affect^ the risk for H-I-V.|Several small studies have shown that taking aspirin can affect^ older people with thinking problems.|It can affect^ people at any age.|Latin had a great effect^ on the English language.|Officials say low water levels in the Great Lakes affect^ shipping, fishing, the travel industry and the environment.|However, both treatments can affect^ a man in other ways.|The drought is expected to affect^ many farmers.|It also showed that the disease seems to affect^ them sooner and more severely.|Drugs that help people breathe easily also affect^ proteins which help close the muscle.|Powerful radiation can affect^ a spacecraft's cameras and flight systems.|It can affect^ her financial security.|Scientists have developed computer programs to show how these changes will affect^ the world food supply.|In the past five years, the disease has begun to affect^ more women, especially in Africa.|Researcher Gary Massoth said the team learned a lot about how volcanoes affect^ the ocean.|Weather does not affect^ the device.|American research scientists have found that terrible experiences early in life can affect^ the brain chemistry in women.|The rules would affect^ science education at all levels in the state.|But, the Peruvian team wanted to find out how the drug would affect^ children in developing nations.|In the next few months, the United States Supreme Court will rule on a number of different issues that affect^ Americans.|And, he says it will show how light, temperature, water and pressure affect^ the creatures.|Doctor Kandel discovered how synapses can be changed, and how those changes affect^ learning and memory.|And experts say it is possible that the situation could affect^ areas in South Africa, Australia or New Zealand.|He says it would also affect^ the fishing industry and millions of people around the world.|Medical experts say the gas will affect^ people very differently.|She says it is good science to learn about sex differences that can affect^ treatment.|Farm experts say the decision could affect^ similar programs to increase sales of beef, cotton and milk.|Scientists disagree on how greenhouse gases affect^ the atmosphere.|The case is important because it could affect^ many developing nations that suffer from the AIDS crisis.|That means the way the babies were fed did not affect^ the study.|The report says shortages of food and water would affect^ some of the poorest parts of Africa, Asia and Latin America.|They examined how global warming will affect^ different areas of the world.|But these problems affect^ millions of people who do not have Alzheimer's.|Noise also can affect^ the performance of skills like reading and solving problems.|They also want to find out how these chemicals affect^ health.|They want to find out if too much jet lag could permanently affect^ memory.|They say that brain diseases affect^ at least two-hundred-fifty-million people in the developing world.|These diseases mostly affect^ people in industrial countries.|The governments of fifty countries, including the United States, must approve the treaty before it will take effect^.|The medical privacy rules will take full effect^ within two years.|The rules could have a major effect^ on the American health care industry.|The Clinton administration has put into effect^ important new environmental and labor rules.|Americans will begin to see the effect^ of the rules in their local stores by the summer of Two-Thousand-One.|The report confirmed the increasingly strong evidence of the effect^ of human activities on the world's climate.|The reports are part of U-N talks aimed at putting an international climate change treaty into effect^.|The groups used satellite images, maps and modern equipment to study the effect^ of agriculture on the environment.|The report says such damage will have the greatest effect^ in poor countries with large populations.|Pressure on large drug companies to reduce their prices for AIDS drugs has already had an effect^.|They said it would cost hundreds of millions of dollars to put into effect^.|However, they were concerned about the health effect^s on people who work daily with such products.|The Food and Drug Administration says the Given Diagnostic Imaging System is safe and has no side effect^s.|effect^ � noun � result; consequence.|The gene was chosen because it produces an effect^ that can be seen.|The heat-trapping ability of these substances cause what is called the "greenhouse effect^".|The group had hoped that giving him the award early would have a positive effect^ on his trial.|One doctor noted this effect^ of aspirin more than forty years ago.|That trade is not considered to have a serious effect^ on the elephant population.|They say those studies failed to examine the combined effect^ of all the foods people eat.|However, American officials say it is not expected to have much effect^ on food prices in the United States.|The findings are part of a new government report on the effect^ of drought conditions in the United States.|Scientists say the rising temperatures will have a major effect^ on the environment and agriculture.|The scientists believe the tetracycline may have the same effect^ on the river blindness worm.|He says more studies are needed to show if the effect^ found over Australia, Canada and Turkey is found in other areas.|The researchers say studies of twins make it possible to estimate the effect^ of genes in the development of cancer.|The policies were put into effect^ to help feed more than one-thousand-million people in China.|But they say the new rules will not take effect^ until October of next year.|Then, last Friday, an appeals court blocked the order just before it was to go into effect^.|The ban went into effect^ in Nineteen-Eighty-Six.|The group says those studies have shown that B-t corn has little effect^ on monarch butterflies.|Doctor Black had discovered earlier that beta mercaptoethanol had a special effect^ on cells.|Scientists say the jellyfish may have a serious effect^ on the environmental system in the Gulf of Mexico.|If they do, their effect^ on the environment of the Gulf of Mexico could be an even bigger problem next year.|Officials say the program has had a major effect^ on many areas of agriculture and the environment.|The statement also says that eating soy protein has little effect^ on people with normal cholesterol levels.|Phytoestrogens are thought to have a similar, but weaker, effect^.|Researchers say both soy protein and isoflavones may be needed to produce the cholesterol-lowering effect^.|They also will study the spread of the insects to new environments and their effect^ on fire ant populations.|Scientists call this process the "greenhouse effect^" because energy from the sun is trapped in the atmosphere of a planet.|But some scientists say that a "greenhouse effect^" is possible on Earth.|The ban will take effect^ January first and last six months.|They also will study the spread of the insects to new environments and their effect^ on fire ant populations.|