Question

How can we improve efficiency/performance of factors responsible for economic activity

Answer 1

The productivity of land can be increased if it is used for agricultural production. This can be done by applying fertilizers to land, and pesticides

Education and training to the labors. 

Proper health of the labors

Answer 2

Explanation:

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SER has no ribosomal particles on thesurface, hence look smooth. It helps in manufacturing of lipids and fat molecules. RER has particles of ribosome on the surface, therefore are rough in texture.