Which mineral can smell like rotten eggs? question 4 options: jadeite sulfur calcite halite

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun