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|.
Arsenic contamination of groundwater is a form of groundwater pollution which is often due to naturally occurring high concentrations of arsenic in deeper levels of groundwater. It is a high-profile problem due to the use of deep tubewells for water supply in the Ganges Delta, causing serious arsenic poisoning to large numbers of people.