216 people from 4 countries have visited the space station ( iss).
that includes 140 americans.
what fraction of the people who've visited iss have been american? write the fraction n it's simplest form.

Arecent challenge to the european union created by a member state is?

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.

Which of the following is true about countries like england after they industrialized? a. workers usually made less money. b. people began moving to the country. c. time for leisure activities decreased. d. overall standard of living increased.