9. b) determination of the amount of a substance that is available to the internal organs of the body d) the time period between initial exposure and a measurable response. c) the study of the adverse effects of chemicals on living organisms." those members of a population who are capable of developing a disease are known as:

Which of the following regions has what is considered the most rugged terrain in oklahoma? a. the wichita mountains b. the arbuckle mountains c. the sandstone hills d. the ouachita mountains

Name the river that forms a natural border between new york and new jersey and is the site where a passenger jet made a miraculous landing on january 15

According to a recent survey, the local government wants to classify people according to their income earning capacity. they want to do so in order to provide special facilities for the poor. who among the four individuals will be classified as poor? a. joseph earns $2.25 per day b. maria earns $1.50 per day c. rosita earns $2.00 per day d. tim earns $ 1.00 per day