Which of these is the largest difference between developed and developing countries?
A. The type of industries
B. The average lifespan
C. The level of wealth
O D. The amount of natural resources

Its type of industries.

Explanation:

because we can fulfill our needs when we have industries.

where are the options?

explanation:

mount st. helens in washington erupts, causing a massive avalanche and killing 57 people on this day in 1980. ash from the volcanic eruption fell as far away as minnesota. seismic activity at mount st. helens, which is 96 miles south of seattle, began on march 16.