Explanation: Rutile is classified as an oxide mineral that is found in association with titanium. It is denoted by TiO₂ and belongs to the tetragonal crystallographic system, commonly occurs in igneous as well as metamorphic rocks but sometimes it is also found in sedimentary rocks
Rutile also is one of the major ore mineral of titanium. It has no definite shape and is mainly used for the purposes, such as-
For the answer to the question above, I think that <span>the initial titer that has been done to her may have been done too early in the infection that detectable levels of antibody were not present yet so that's why they have to repeat it.</span>
