Gaia is interested in her health. she often consults health-related web pages for advice about diet, disease prevention, and treatment. what trend mentioned in the textbook are her activities an example of?

Here is the answer to the question above: "Her activities is an example of a trend that sees individuals increasingly becoming health consumers and adopting an active stance toward their own health and well-being."

As mentioned above, the activities that Gaia always makes are concerned towards preserving good health through different practices. By doing so, she is promoting these through advices and she does more research in order to support her cause.

The answer is carbon dioxide