How would you describe the movement of the sun over a 30 minute time frame? What happens to the angle of the shadow over a 30 minute time frame? What direction does the sun appear to move? What direction does the shadow appear to move? This is for Earth Science

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?