What does the electron circle around in the nucleus

The frequencies refer to the sample data collected from a population of interest when performing a hypothesis test comparing two or more population proportions.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km. h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.