Asolution is 0.010 m in both br2 and so422. a 0.250 m solution of lead(ii) nitrate is slowly added to it with a burette. a. which anion will precipitate first? b. what is the concentration in the solution of the first ion when the second one starts to precipitate at 25°c?

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?