Which would most likely appear in an objective summary:
a. christina catnese argues that rain barreles are an easy, effective, and inexpensive way to conserve water.
b. the article explains the benefits of rain barreles, but i don't think i'd ever fill my fish tank with rainwater
c. rain barreles hardly seem worth the time or effort.
d. everybody should want to make positive contributions to the environment.

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.

after a the power stroke, adp is released, but the cross-bridge formed is still in place. atp then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site.