MicroSpacer is FDA 510K approved as substantially equivalent to other spacer devices, and is the smallest aerosol asthma inhaler spacer on the market. Replace every 4-6 months. Box contains one (1) MicroSpacerÂ® device and full instructions.
Question and answer. A chemical in groundwater that can cause genetic changes is called a: (A) teratogen (B) VOC (C) carcinogen (D) mutagen. A chemical in groundwater that can cause genetic changes is called a: (D) mutagen.Expert answered| Florpe |Points 70|. Question.uestion and answer. A chemical in groundwater that can cause genetic changes is called a: (A) teratogen (B) VOC (C) carcinogen (D) mutagen. A chemical in groundwater that can cause genetic changes is called a: (D) mutagen. Expert answered| Florpe |Points 70|.
Description. Groundwater is water located beneath the surface in soil pore spaces and in permeable geological formations. Sources of groundwater include seepage from the land surface, such as rainwater, snowmelt and water also that permeates down from the bottom of some lakes and rivers. 1 Fossil groundwater is water that has been trapped in rock formations over geological time scales.