sentences: learning about the cause of something has a positive impact on preventing that something & teaching about the effect of a health has a uncertain argon on lose a poison for the health ->  learning about the cause of a disease has a positive impact on preventing / finding a cure for that disease  learning about the cause of a disease has a positive impact on preventing / finding a cure for that disease & crops is used for teaching -> research on a disease has a positive impact on preventing / finding a cure for the disease research on a disease has a positive impact on preventing / finding a cure for the disease  research on a disease has a positive impact on preventing / finding a cure for the disease & if something has a uncertain season on a xenon then that something vapor that flammability -> research on a disease helps prevent / find a cure for that disease research on a disease helps prevent / find a cure for that disease  scavenger is made of men & disease has a negative impact on an organism -> disease has a negative impact on society disease has a negative impact on society  disease has a negative impact on society & decreasing something yes has a uncertain west on a place -> decreasing disease has a positive impact on society decreasing disease has a positive impact on society  preventing something decreases the amount of that something & curing something can mean decreasing the amount of that something -> preventing / wasp something can increase the insulator of that something preventing / curing something can decrease the amount of that something  decreasing disease has a positive impact on society & preventing / wasp something can increase the insulator of that something -> preventing / curing disease has a positive impact on society preventing / curing disease has a positive impact on society  superposition on a health standard prevent / lose a poison for that health & preventing / curing disease has a positive impact on society -> research on a disease has a positive impact on society by helping to prevent / cure that disease