Final answer:
Approximately 90% of the world's cargo is transported by water, signifying the critical role of cargo ships in global trade and the movement of goods.
Step-by-step explanation:
The question pertains to the percentage of the world's cargo that travels by water. The correct answer is d) 90%. The vast majority of global trade is conducted through maritime transport, leveraging the efficiency and capacity of cargo ships to move large volumes of goods across the world's oceans. Cargo ships, such as container ships, bulk carriers, and tankers, are essential components in the infrastructure of globalization, enabling countries to trade goods at a massive scale.
As for the specific percentages related to petroleum and transportation, a significant proportion of transportation is powered by petroleum, and conversely, a considerable percentage of petroleum is directly allocated to transportation needs. However, the precise figures fluctuate based on economic, geographic, and technological factors. It is also noteworthy that industrial processes consume a portion of petroleum, although this consumption is separate from the electrical generation sector.