What is the marginal physical product for Jenny to go from one to two workers?

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.

Are people more motivated to change from positive or negative experiences, like slavery, womens rights, and any other historical movements/moments? i need more factual information than opinions.

When individuals with a stake in an issue affecting them begin to propose and develop solutions to a problem, they engage in