Which disorder is characterized by having only one x chromosome in the 23rd pairing?

Which of these resources is used worldwide to make construction products, pottery, and porcelain

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen