Computers, mobile phones and tablets are technological advances that have __________ the consumption of energy per person. What word completes the sentence?

A country has energy __________ when its people have access to a reliable and affordable supply of energy. What word completes the sentence?

When stated as a percentage, the useful energy transferred by a device divided by the total energy supplied to the device is known as the device's __________. What one word completes the sentence?

Describe the three components of energy expenditure

Rising living standards may not require more energy due to ______.Multiple choice question.population growthinflationdecreased efficiencyimproved technology

Select all that applyWays to increase energy expenditure include which of the following?Multiple select question.Climbing stairsStanding in the busWalking to the storeSitting at your computer