Answer:
The correct answer is - Trains can have inconvenient schedules, but produce less pollution than cars do.
Explanation:
Trains are expensive to build and also required land for making routes and stations and platforms for passengers but that can be reimbursed by fare in a longer time period.
Trains also produce pollution but in comparison to cars these are way less contribute to the pollution, However, these are not convenient as they start and reach at a specific time and also sometimes not comfortable like cars.
Answer:
Why is "sunlight" written above the arrow in the equation, rather than on the either side of it?
Sunlight is neither a raw material nor a product of the reaction, and is the energy source for the reaction.
