How do the headings in the body of this article help to
organize the information?
The headings show that each section
describes a separate time period of Sylvia
Earle's life.
The headings show that each section
describes an organization Sylvia Earle
has started
The headings show that each section is
about one of Sylvia Earle's important
roles.
The headings show that each section is
about a technology Sylvia Earle has
helped develop
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