Which relationships would most likely be causal? select two options - a positive correlation between the number of homework assignments completed and the grade on the exam

- a positive correlation between the temperature in a canyon in the early spring and the number of snakes seen by hikers

- a positive correlation between a child's shoe size and reading speed

- a negative correlation between the time a glass of ice water sits on the counter and it's temperature

- a positive correlation between the number of students attending football games and the number of games that are won​