Correctly match the sustainable development goal (SDG) with its theme:

Which of the following factors affect distribution of population?
l. Climate
II. Soil
Ill. Topography
IV. Water
A particle dispersoid has 1510 spherical particles of uniform density. An air purifier is proposed to be used to remove these particles. The diameter-specific number of particles in the dispersoid, along with the number removal efficiency of the proposed purifier is shown in the following table:
The overall mass removal efficiency of the proposed purifier is ________% (rounded off to one decimal place).