Which of the following is needed in order to calculate the speed of an object? * A distance and time
B Only distance
C only time
D acceleration and velocity

How did the songhai empire strengthen islam

Which statement about spreading knowledge of diseases and health around the world is correct?

Why do you think that historians use the word “revolution” to describe important changes in agriculture? how did the green revolution and other agricultural revolutions change the lives of billions of people? < < read less