For a study comparing leisure activities of physical education students with those of other students, a researcher has randomly selected a ten percent sample of physical education students and one percent sample of non-physical education students for a list of students. what kind of sampling technique is this?

Asmall french-themed cafe has just introduced a quiche, a baked dish made with a pastry crust and a filling of beaten eggs and cream. quiche is frequently flavored by adding vegetables, meat and seafood. what does the chef ask the prep cooks to do so the vegetables in the dish bake evenly? a. choose special out-of-season vegetables b. wash the vegetable dishes extra clean c. label all the vegetable ingredients d. cut the vegetable pieces into the same size e. cut the vegetable pieces into a wide variety of interesting shapes

What is the bottle's speed, as a percentage of the ball's incoming speed?

4. when a child cries out during rough play, the caregiver should a. encourage the distressed child to fight back. b. respond immediately, since the behavior has changed to fighting. c. ignore it, because rough play is a natural part of children’s learning. d. ignore the request for unless there has been an injury. i need answer