An expert indemography is asked to predict changes to the population size of a small country. Which data about the country would be most useful for the expert to analyze?

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin

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?

Which genetic disorders, caused by an extra x chromosome (xxy), is characterized by a lack of testicular development in males, effeminate features, possible mental impairment, and a thin stature?