2. The word "precarious" in line 1 is closest in meaning to (A) uncertain (B) humble (C) worthy (D) unusual

3. The author mentions "seeds and fruits" in line 2 as examples of (A) the first crops cultivated by early agricultural societies (B) foods eaten by hunters and gatherers as a secondary food source (C) types of food that hunters and gatherers lacked in their diets (D) the most common foods cultivated by early agricultural societies