I Want to Ride My Bicycle

1) A four-mile bicycle trip keeps about ____ pounds of pollutants out of the air.

• 10

• 15

• 20

2) Biking burns about ____ calories per mile.

• 25

• 50

• 100

3) Bicycles could accommodate roughly ____ times as many people per hour as private cars in the same road space.

• 2

• 7

• 10

answers: 1. 15; 2. 25; 3. 10.