Think about a typical day-maybe even today. write down the time you wake up and what you must do to get ready. then repeat the process until you've listed everything you do during the day. when you're finished, you can analyze how productively you're scheduled your time.

you didn't give any options but heres what i can tell you: an inference is likely to change based on additional observations. the latter is something that you have seen or sensed using your sensory organs while the former is like a conclusion out from what you have observed.

the answer is :

d. planting trees

the trees take in carbon to make oxygen.