Answer:
The three types of information that Tyson's essays use to convey ideas and messages about black holes are: 1. Language that draws the user into the topic. 2. Ability to interact with the information. 3. Metaphors that help the user understand the information.
I'd say C, "The acrylic pods are created in many sizes, including big, small, and medium, as well as other sizes needed by the scientists; they are connected to the seafloor by chains and float some distance below the surface, so the plants are not destroyed by storms."
Answer:i think c is the answer
"The space shuttles is the subject."
Simple formula: find the verb of the sentence then ask the question "who or what performs the verb" and the answer to that question is the SUBJECT of that sentence!
In your sentence; ask the question;
"Who or what have made travel to the International space station convenient and possible?
Answer: The space shuttles (that's your subject)
