A positive finding means that antibodies were found in the patient’s blood. Antibodies are made when you have a disease in order to help fight off the disease. Therefore, if you have antibodies for a disease, you have or had that disease (Or were vaccinated). Hope it helps :)
Meteorites are composed of the original material Form which earth was formed. Their compositions range from metallic meteorites made of iron and nickel to stony meteorites composed of dense rock like peridotite.
