Jill is 3 years old. she is hyperactive and learning-disabled. her doctor suggests that jill's problems could be the result of prenatal exposure to though he stresses that the link is not straightforward at this time.

Teratogens.

Explanation:

A teratogen is an agent that disturbs, during pregnancy, the development of the fetus or the embryo. Given that, in the exercise, the doctor suggests that the problem may have been a prenatal exposure, the best guess is a teratogen, which might include any maternal infections, drugs, chemicals or, in rare cases, even radiation. There are many things a teratogen might cause in later stages, such as Jill's problems of learning disability.

6.3%

explanation:

the acceptance rate for yale university is 6.3%. this means that only 6 percent of people who apply actually get accepted!

the answer is solomon northrup. he was a free-born african american, abolitionist and professional violinist that was drugged, kidnapped and sold as slave in 1841 and remained in captivity until 1853 where he regained his freedom with the of the then-governor of new york, washington hunt. he wrote and published his memoirs "twelve years a slave" in 1853, and in this text, he tells the story of his escape thru one of louisiana's swamps (the great pacoudrie swamp) in which he ended up covered in green slime from crossing the surface of the dead water.