Answer:
Explanation:
Banded iron formation ( BIF ) -
It is aslo called the banded inronstone formations , are the part of the distinctive units in the sedimentary rocks , which are always of the precambrian age .
volcanogenic massive sulfides ( VMS )-
A type of metal sulfide ore deposit , which have copper - zinc as the main elements , they are formed by in the submarine environments by the volcanic - associated hydrothermal events .
The types of VMS -
Mafic associated - The type of deposits associated with geological environments by mafic rocks.
Bimodal-mafic - The type deposits associated with environments dominated by mafic volcanic rocks.
Mafic-siliciclastic - The type deposits associated with sub - equal proportions of the siliciclastic and the mafia rocks .
Felsic-siliciclastic - The type deposits associated with less than 10 % mafic rock and rest siliciclastic sedimentary rock .
Bimodal-felsic The type deposits associated with more of felsic rocks than mafic rocks.
Answer:
C. Tribalism
Explanation:
There are many forms of government and "tribalism" is one which doesn't uphold a central authority. This is <em>a primitive form of government</em> which is no longer common these days.
In tribalism, people associate themselves into groups according to territories. So,<u> they feel entitled to possess the resources within their territorial boundaries. </u>They also make their own sets of rules to follow. Every tribe has <em>its own unique kind of lifestyle</em>. However, this form of government is <em>not well-protected and may often face misunderstandings and sometimes wars. </em>
Erosion because that is from the natural elements like wind and rain, and erosion is caused on the surface.