Initially, people's believe about the ocean floor was that it is mostly flat, and that it has little to no distinguishing features. This was proven wrong when sonar was used to map the ocean floor by <span>German scientists in the early </span>20th century, and they observed that the ocean floor is varied and it showcases such distinguishing features as atolls, submarine canyons, and mid-ocean ridges.
Answer:
You can reduce your carbon footprint by not driving a car.
Explanation:
Transportation is one of the main sources to CO2 emissions
You would go upstream as in north if you would go down stream it would be south