Answer:
D. it will expand and become a red giant.
Explanation:
In the main phase of any star's life, hydrogen is being fused into helium inside the core. This phase takes up 90% of the star's life span, and this is the phase the sun is at now. The next phase is where it turns into a red giant. Once the hydrogen has completely turned into helium, the inert helium ash collapses on itself. Which in turn causes the core to get denser and heat up, which also expands its size. It appears red because outer surface is a lower temperature, that makes it appear red (hence the name "Red Giant")
They were both nomadic
Both peoples had some structure but not very much
Answer:
e) the same state laws apply everywhere in the region.
Explanation:
A region or state is considered as a formal region when they share common features with each other. There is always a uniform and unique characteristics that applies to inhabitants of the region involved.
Texas is known for having various state laws which are applicable in the whole region. This characteristic makes it a formal state.
Answer:
7.0 - 1.4 = 6.4
Explanation:
the pollution is increasing 1850 to1960 in a constant speed but from the year 1970 it start increasing very fastly