*On this date in 1898, the “Grandfather Clause” was enacted for voting purposes. The Grandfather Clause was a legal or constitutional<span> mechanism passed by seven Southern states during reconstruction to deny suffrage to black Americans</span>
Answer:
By dividing into state and national levels.
The correct answer for the question that is being presented above is this one: "B. mass extinction of land and sea animals." The end of the paleozoic era was signaled by mass extinction of land and sea animals.
Here are the following choices:
<span>A. the development of humans
B. mass extinction of land and sea animals
C. the development of organisms with hard parts
D. both a and b</span>
They are used by workers to produce goods and services similar to the way physical capital is used.
