By Age 4 to 5,__________

question 72

Multiple Choice

By age 4 to 5,__________.

• A) the brain increases from 40 percent to 60 percent of its adult weight
• B) many parts of the cerebral cortex have overproduced synapses
• C) growth in the prefrontal-cortical area slows to near-adult levels
• D) synaptic pruning slows or ends

---

Definitions:

Spread

The difference between the buy and sell price for a currency.

Foreign Exchange Trade

The act of buying and selling currencies with the aim of making a profit from the changes in their exchange rates.

Buy and Sell Price

The price at which an item can be purchased and the price at which it can be sold, respectively.

Commercial Bank

A financial institution that offers a broad range of deposit accounts, including checking and savings, and extends loans to individuals and businesses.