b isn't a valid question of a critical question.
An example of foreshadowing in the possibility of evil is that to provide clues about the conflict which will take a place.
Unemployment rate can be measured in two ways, narrow
unemployment rate and expanded unemployment rate.
<span>The "narrow unemployment rate" used
for the people who are unemployed and actively seeking work, while the people
who are unemployed and available to work but have not taken active steps to
look for work are referred to the "expanded unemployment rate".</span>
Answer:
Wind, water, tide and muscle - both animal and human - provided sources of energy that are still available to man and are still used to power simple machines in many parts of the world today.