There are between and languages spoken around the world. a. 500 . . 600 b. 1,000 . . 6,000 c. 5,000 . . 6,000 d. 50,000 . . 60,000

Select the correct answer from each drop down menu. among these figures figure and blank have the same volume. 1 a c e 2 b d

Which of the following statements is true? a. there is not enough food produced in the world to feed everyone. b. the biggest cause of hunger and malnutrition is the cost of getting food to people who need it most. c. most countries have enough arable land and resources to feed their own population and export a surplus d. malnourishment is only seen in a few countries with very limited food supplies.

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d