Which relationships would most likely be causal? Select two options
A. a negative correlation between the temperature and the amount of snow still on the ground
B. a negative correlation between the number of digital photos uploaded to a website and the amount of storage space that is left
C. a positive correlation between the length of the side of a pool and its depth
D. a positive correlation between the height of a woman and the height of her brother
E. a negative correlation between the volume of water in a pot and the amount of time that the water takes to boil