3 ms·
That doesn't give enough sense of proportion. The mass of the ozone layer is 3 billion tons. Maybe 397 tons of aluminum could be a problem, but it's a very smal
by lukeschlather 2y ago
That doesn't give enough sense of proportion. The mass of the ozone layer is 3 billion tons. Maybe 397 tons of aluminum could be a problem, but it's a very small number in context.