Based on the clue 'a calorimeter measures the amount of this added to...', what is the answer?

Based on the clue 'a california national park is named for these tall...', what is the answer? Based on the clue 'a california park named for this author contains t...', what is the answer? Based on the clue 'a californian moving to poland can apply to become...', what is the answer? Based on the clue 'a call in radio show brings tom hanks meg ryan to...', what is the answer? Based on the clue 'a camel is a horse designed by this', what is the answer? Based on the clue 'a camels hump doesnt contain water as once was tho...', what is the answer? Based on the clue 'a camels hump stores not water but this if the ca...', what is the answer? What is associated with: a camera orbiting this planet in march 1999 snapped a crater that resembles a happy face?