1. The problem asks to identify which relationships are most likely causal from given correlations. 2. A causal relationship means one variable directly affects the other. 3. Let's analyze each option: - Homework assignments and exam grade: Completing more homework likely improves understanding, causing better grades. This is likely causal. - Temperature in canyon and number of snakes: Both may be influenced by season but temperature doesn't cause snakes to appear directly. Likely not causal. - Child's shoe size and reading speed: Both increase with age but shoe size does not cause reading speed to increase. Not causal. - Time ice water sits and temperature: As time passes, ice melts and temperature rises. This is a direct cause-effect, so causal. - Students attending games and games won: Winning may influence attendance, but attendance does not cause winning. Not causal. 4. Therefore, the two most likely causal relationships are: - Positive correlation between homework assignments completed and exam grade. - Negative correlation between time ice water sits and its temperature. 5. Final answer: homework-exam grade and ice water temperature-time relationships are causal.