List two ways that she could have become infected with the virus​

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

What molecules does hemoglobin decay into over time

Ihave no idea how to solve these. plus there's another question that is 2) a 10 kilogram meteorite is collected in space and brought back to earth. it is composed of 1.25 kg of uranium-238 and 8.75 kg of lead-206. how many u-238 half lives have passed? what is the approximate age of the meteorite?