It takes a plane 1.5 h to travel between city A and city B. How far apart are the two cities if the cruising speed of the plane is 800 km/h?
A. 500 km
B. 600 km
C. 1,000 km
D. 1,200 km

What types of energy transfers and energy transportations are involved in the domino chain reaction?

What is a limitation of using a chemical formula, such as c6h1206, to represent a compound? the chemical formula does not show the types of elements that make up the compound. the chemical formula does not show how the atoms are connected to one another the chemical formula does not show the number of atoms of each element in a molecule. the chemical formula does not show the chemical symbols of the elements in the compound

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.