Which of the following could NOT be classified as a substitute good? A. Cars and Motorcycles
B. jeans and Khakis
C. Butter and Margarine
D. soup and crackers​

50pts why can't scientists clone embryos for an unlimited supply of stem cells? culture of life: select the best answer from the choices provided. a. they do not yet have the technology to clone embryos. b. most scientists would never endeavor such a controversial task. c. there are already enough stem cell lines. d. cloning is prohibited by the human cloning prohibition act of 2003.

Should the u.s limit the number of terms a lawmaker can serve in congress

If you rub a balloon on a piece of fabric or carpeting and then hold it against your head, your hair can stand on end. use what you have learned in this lesson to explain why this happens.