Final answer:
The distance between Mt. Whitney and Badwater Basin in Death Valley is 85 miles. Mt. Whitney is at a high elevation, while Badwater Basin is below sea level and extremely hot.
Step-by-step explanation:
The distance between Mt. Whitney and Badwater Basin in Death Valley is given directly in the question. The answer to the question is 85 miles, which makes option a) the correct choice. Mt. Whitney, located in the Sierra Nevada mountains, is drastically different in elevation compared to Badwater Basin, which is the lowest point in North America and also known for being one of the hottest places on Earth.