a responsibility of the vice president is to\n○ declare war if necessary.\n○ join the house of…

a responsibility of the vice president is to\n○ declare war if necessary.\n○ join the house of representatives if necessary.\n○ join the supreme court if necessary.\n○ become president if necessary.

a responsibility of the vice president is to\n○ declare war if necessary.\n○ join the house of representatives if necessary.\n○ join the supreme court if necessary.\n○ become president if necessary.

Answer

Brief Explanations:

In the United States, one of the key responsibilities of the vice - president is to assume the presidency if the president is unable to serve due to death, resignation, impeachment, or other reasons. Declaring war is a power of Congress. The vice - president does not join the House of Representatives or the Supreme Court as part of their regular responsibilities.

Answer:

become president if necessary.