Answer:
Grandmother hypothesis
Explanation:
The grandmother hypothesis is the result of a further developed mother hypothesis. The mother hypothesis suggests that the energy required to keep a woman fertile is better used in order to ensure that her offspring reproduce.
The grandmother hypothesis suggests that the grandmothers bolster the efforts of the mothers and make sure that their grandchildren's genetic interests are met. The grandmothers' can also increase the grandchild's social circle further increasing their chance to mate.
Answer:
In economics a demand is defined as the quantity of goods and services that customers are capable to buy and that they find desirable to buy at a particular price for that period of time .
Demand is dependent on the customer's needs and wants each customer may have different things that they consider to be needs to them and those they consider as just wants.
This also depends on affordability, if one doesn't have the money to buy the product then the demand isn't effective.
When the price of the product rises usually it's demand decreases and vice versa when the price fall the quantity of that product demanded will increase.
the answer is c, books became easier to get a hold of.
Explanation:
The Renaissance was a fervent period of European cultural, artistic, political and economic “rebirth” following the Middle Ages.
Taking place from the 14th century to the 17th century.
The Renaissance period cultivated a new change in art, knowledge, and culture. It changed the way the citizens thought, with first the rediscovery of classical philosophy, literature, and art, as well as the new discoveries in travel, invention, and style.