Sadid is 2 years old and his older sister, Jenn, is 5 years old. While they're playing one day, Jenn puts a barrette in Sadid's hair. Sadid gets upset and states that he doesn't want to be a girl, and that he likes being a boy. Jenn laughs because she understands that putting the barrette in Sadid's hair did not make him a girl. What has Jenn achieved that Sadid has not

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.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period. the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided. a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs. an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.

What trade did europeans want most before the 1800s ivory wood slaves gold