Describe what major event occurred in the evolution of life on earth in point X. How is this related to the change in the graph above?

How many cells are our body made of ? ♡

Building glycogen from glucose molecules is an example of what

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s