VOA-Sparrow Clinic The VOA-Sparrow Clinic is a collaboration between Volunteers of America and Sparrow Hospital, providing both physical and mental health care to the homeless in the Lansing area. Their location is 430 N Larch in Lansing.
Answers. Best Answer: Proposed to be an element by Carl Wilhelm Scheele in 1774, manganese was discovered by Johan Gottlieb Gahn, a Swedish chemist, by heating the mineral pyrolusite (MnO2) in the presence of charcoal later that year.
since 1958 the keeling curve named after developer charles keeling has been used to monitor the levels of greenhouse gasses atop hawaii s mauna loa when keeling first started monitoring co2 levels the amount of carbon dioxide present in the atmosphere was 313 ppmafter keeling s death in 2005 his son ralph a professor of geochemistry and director of the scripps co2 program continued the measurementsince 1958 the keeling curve named after developer charles keeling has been used to monitor the levels of greenhouse gasses atop hawaii s mauna loa when keeling first started monitoring co2 levels the amount of carbon dioxide present in the atmosphere was 313 ppm