6. This is a map showing the share of a country's population who has access to
electricity. Identify two countries which have low energy security due to lack of
access to electricity for all the population. *

Tanzania and Zimbabwe.

Explanation

Just the 30% of the population  has access to electricity.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.