Answer:
The US imposed a sanctions against Cuba in 1962 because they found out they had Russian ICBMs. (Intercontinental ballistic missile). Also Cuba became good allies with Russia.
Explanation:
This is because the U.S frowns on Russia. We still do not like them.
An ecoregion<span> is an ecologically and geographically defined area that is smaller than a bioregion. Ecosystem is organisms and their physical environment. </span>
The scientist first designed thee geologic time scale because.... the people who needed to understand the geological relationship of different rock units were miners. Mining had been of commercial interest since at least the days of the Romans, but it wasn't until the 1500s and 1600s that these efforts produced an interest in local rock relationship.
True, granite is a sedentary rock.
Physical are like rivers, lakes , oceans and mountains
And human made /cultural features are like dams, buildings , canals stuff that aren't naturally here
