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 affect^ 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.| In effect^, Congress made the White House a museum.|| 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.| However, officials say it will probably not take effect^ for another four or five years.