Refer to the Newsela article “PRO/CON: Can Eating Less Meat Cool the Climate?” Read the text under the heading "Considering Environmental Effects."

What is the text structure of this sentence?

When it comes to greenhouse gas emissions, lettuce is "three times worse than bacon."

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech