Most people can survive only a few days without what?\nOptions:\n- (A) carbon dioxide\n- (B) oxygen\n- (C) h2o\n- (D) H20\n- (E) NaCl\n- (F) CO2\n- (G) soda\n- (H) urea
Use reasoning to answer the following question.
(D)
Most people can survive only a few days without water.

Water is everywhere H20.

Most people can survive only a few days without H20.

.

The answer: (D)