If you have 40 milligrams of uranium-232 that has a half-life of 70 years, how much of uranium-232 will remain in 140 years?

5. your analysis of child assessment data shows that a few of the students in your classroom are lethargic and exhibit challenging behaviors before snack time. you note that after snack time and lunch, they're engaged and responsive. what other information might you understand why? a. attendance data, teacher observation checklists, and frequency counts b. anecdotal notations, attendance data, and child health records c. family interviews, daily health check, and behavioral logs d. standardized assessments, time samples, and conversations with other teachers

Quickly ill give anyone brainliest plus free points if answered as a good rule of thumb, you should take a 15-minute break every while driving. a. 1 hour b. 2 hours c. 3 hours d. 4 hours

Which amusement park ride utilizes periodic motion a.slide b.bumper cars c.giant swing d.roller coaster