Arnold is concerned about his impact on the environment. Currently he drives a car that only gets 12 miles per gallon of gas. Wh
ich of the following would be the most effective measure to lessen his environmental impact? a. drive at a higher rate of speed
b. switch to a car that gets 30 miles per gallon
c. purchase higher octane gas
d. travel by plane
<span>The most effective measure to lessen the impact to the environment that is brought about by the car that Arnold is driving considering all aspects including the speed is to purchase a higher octane gas. Thus, the answer is letter B. A higher octane gas emits lesser pollutants to the atmosphere compared to the lower ones. </span>
The axial tilt is defined as the angle between the direction of the positive pole and the normal to the orbital plane. The angles for Earth, Uranus and Venus are approximately 23°, 97°, and 177° respectively.