Never leave a pet or child in a standing car. The temperature inside a car can rise by 20 degrees in as little as ______ minutes.

The correct answer highlights that the temperature inside a car can significantly increase in a short period, emphasizing the danger of leaving a pet or child unattended in a vehicle. Specifically, it acknowledges that within just 10 minutes, the temperature can rise by 20 degrees. This rapid increase can lead to dangerous and potentially life-threatening situations due to heat-related illnesses.

Understanding this fact is crucial as it underlines the urgency and severity of the issue. The interior of a parked car can become extremely hot, even on mild days, and this risk increases even further when direct sunlight is involved. Knowing the time frame in which temperatures can rise significantly reinforces the importance of never leaving vulnerable individuals in a vehicle, as it can lead to heat exhaustion or heatstroke in just a matter of minutes.