Why is observation and experimentation a good method for making scientific discoveries

It is some steps to the scientific method

Explanation:

Back in time when this was created, scientists or even mathicians would take notes on the observations they created. Therefore observations were important for scientific discoveries. As for experimenting, you had to do something to make an observation, so it also ties back to the purpose of observing.

d) the narrator even suggested that the white whale, moby d, was ubiquitous and present in every ocean at every moment.  

the answer should be b.

explanation:

it should be b because she researched before writing so it would be in past tense. "the author researches her subject before she had written the first draft.