ep·och - noun
a period of time in history or a person's life, typically one marked by notable events or particular characteristics.
"the Victorian epoch"
The Rocky Mountains are described as younger because the Rocky's are really two mountain chains. The older mountain chain started billions of years ago, and the younger mountain chain pushed the older mountain chain up more, only 60 millions years ago.
These deep-ocean<span> currents are driven by differences in the </span>water's<span> density, which is controlled by temperature (thermo) and salinity (haline). This process is known as thermohaline </span>circulation<span>. In the Earth's polar regions </span>ocean water<span> gets very cold, forming </span>sea<span> ice.</span>
Hi!
(This is from srahman2 by the way!)
1. AGGREGRATE ECONOMIC BEHAVIOR:
economic wide results of individual behavior
2. DEBT:
money owed or due
3. DEFAULT:
failure to fulfill and obligation monetarily.
4. GROSS DOMESTIC PRODUCT:
the monetary value of all finished goods and services in a country
5. INVESTMENT:
the purchase of goods used to create more wealth
6. NEEDS:
a good or service required for survival
7. UNEMPLOYMENT RATE:
percentage of people in a country willing to work and looking for work by currently unemployed
8. WANTS:
goods or services desired by a person but not required for survival
Iron and Nickel.
Hope this helps please mark this as brainliest answer