Numerous neighborhoods are built around an existing incinerator. What impact(s) could this have on the surrounding neighborhoods? I. Toxic chemicals in landfills can leak into groundwater. II. Mercury and lead can be released into the air. III. Residents may be exposed to heavy metals through contact with the ash. I and II I and III II and III II only

Any sound above what db can cause hearing loss in human beings

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

The table presents the average day and night temperatures in five cities. it also reveals whether a city receives substantial rainfall (wet climate) or little rainfall (dry climate). which city’s rocks are likeliest to experience frost wedging, and why? a) city a because the consistently subzero temperature would prevent water from melting b) city b because it is a wet region and the temperature fluctuates around the freezing point c) city c because it receives plenty of rain fall and the weather is moderately cool d) city d because the hot and dry weather would cause rocks to absorb water