Improved technology allows to create more goods and to increase the efficiency of providing services (answer d.) and this is they way that it increases standards of living. If there are more goods and services then more people have an access to them.
Explanation:
20 men can do 1 W in 36 days
=> 20 men can do 1/36 W in 1 day
=> 10 men can do 1/72 W in 1 day.
30 girls can do 1W in 36 days
=> 30 girls can do 1/36 W in 1 day
=> 12 girls can do 1/90 W in 1 day.
Together 10 men and 12 girls can do 1/72 + 1/90 W in 1 day
= 9/360 = 1/40 W in 1 day.
Therefore they need 40 days to do the piece of work.
Anthropologists classify tribes and nations into groups with strong similarities in culture and traits.
Explanation:
Anthropologist analyses the social groups, their origin, race, ethnicity, culture and traits. Social groups include tribal and other migrated families. These tribal group into a specific identical cluster on the basis of similarity in their cultures and traits. Traits include food habits, living style, livelihood pattern, dressing sense etc.
Some of the tribes used hunting or some use gathering as their source of livelihood. Some used to intake raw food and some half cooked condition. Their religious believed also differs from group to group like some tribal groups rely on worship of idol whereas some relies on worship of nature no idol.
First one is Greek and the second is Alexandria.
Answer:
No, he was not. Prosecution of Jews existed since the period when they all lived in their homeland.
Explanation:
Since the Babylonian captivity Jews were seen by certain elements as cause of problems. That is why in different periods they were prosecuted and even had to escape from the place where they lived. Spanish Inquisition during the reign of Isabelle and Ferdinand forced Jews to convert or to move away from Spain. Most of them spread across Europe, but in many of those countries they weren't always received as they hoped to.