According to the passage, which of the following statements is/are true? I) Ninety-seven percent of snow is made of salt water. II) The largest cause of preventable human death is drinking water that is unsanitary.. III) About 1,000,000,000 people in the world do not have clean water to drink.
Option (D)
I) Incorrect. While line 3 states that 97% of the world’s water is salty, there is no information in the passage concerning the amount of salt, if any, in snow.
II) Correct. Passage states that the largest cause of preventable human death is drinking water that is unsanitary. Unsanitary means not clean.
III) Correct. Passage states that one billion people in the world do not have clean drinking water. One billion is the written form of the number 1,000,000,000.