Which sentence from the text helps the reader identify its structure? In return, any lands discovered during the voyage were claimed by that country.
The 15th century to the 18th century was an age of exploration.
This problem led to the invention of navigation equipment.
This type of ship was equipped with cargo space for voyages up to a year long.

answer:

it's supposed to be a cute face

explanation: it's just another emoticon

answer:

that is correct, but there is a fourth one, plasma.

explanation:

plasma is a state of matter that is often thought of as a subset of gases, but the two states behave very differently. but unlike ordinary gases, plasma is made up of atoms in which some or all of the electrons have been stripped away and positively charged nuclei, called ions, roam freely.