Subsistence farming is not used anymore, only occasionally in certain parts of the world but in the 1800's it was used in the U.S. by people who only planted enough to get them by, and if they had the smallest portion left they traded it, typically for alcohol
Answer:
Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these "salinity raising" factors are continually counterbalanced by processes that decrease salinity such as the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.
Answer:
B
Explanation:
Andesite and diorite are common rocks of the continental crust above subduction zones. They generally form after an oceanic plate melts during its descent into the subduction zone to produce a source of magma.
Answer:
They generate less GDP/capita revenue than developed ones in developing countries. Developed countries have larger industries with efficient services, while developing countries do not have the same diversity of sectors in the economy. In developed countries, life expectancy is higher than in developing countries and living standards are high in developed countries.
Explanation:
Halo Stars are the <span>very old and dispersed </span>stars bordering the outer reaches of Segmentum Obscurus.<span>
Halo stars observed in the galactic disk are easily detected because they </span>move at an angle across the disk.