Rock that forms when molten rock cools and hardens

The answer is d the box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale. which measure of variability can be compared using the box plots? interquartile range standard deviation mean median

Fossil fuels such as coal, oil, and natural gas were formed over millions of years by

Which two nations are doing the most to combat their environmental issues?