question: Given the fact "plants are a source of oxygen through photosynthesis", what is the answer to "Chloroplasts in shrubs scrub carbon from the air and return"

answer: breathable air

question: Given the fact "panting is when an animal hangs its tongue out of its mouth to adjust to hot temperatures", what is the answer to "On a summer day, a dog stuck outside will"

answer: appear to be smiling with its mouth open

question: Given the fact "some animals shed fur in warm weather", what is the answer to "what sheds fur in warm weather?"

answer: A Great Dane

question: Given the fact "scientists make observations", what is the answer to "When the scientist finally completed his new invention he thanked his"

answer:
powers of observation