Answer:
They adopted black codes to restrict the freedom of African Americans. These codes forced them work for low wages.
Answer: c. Producers.
Explanation:
A hydrothermal source is a crack in the earth through which water flows, was heated under the surface by magma. Heat causes water to flow precipitously to the surface. If the crack is on the earth, it is called Geyser, and if it is underwater, it is called fumarole.
Producers are those organisms that synthesize organic matter from inorganic matter, in marine ecosystems marine plants are the primary producers.
For producers to acquire energy, sunlight is necessary, so it was considered impossible for producers to exist in deep waters in the oceans. However, around the fumaroles ecosystems have been found that subsist only with minerals that come from the expelled water, such as sulfur.
I hope this information can help you.
Economics is the answer to the question
The Population Registration Act was passed in South Africa in order to classify the different races of people residing in the country, and to grant citizenship to people on the basis of their races.
<h3>What is the significance of Population Registration Act?</h3>
The Population Registration Act contains the regulations and provisions regarding the citizenship in the South African region. It grants citizenship to people based on their races.
It was passed in the year during the 1950s, and contained provisions regarding the classification of different ethnicities and races of people and groups residing in the country.
Therefore, the significance regarding the passing of Population Registration Act has been aforementioned.
Learn more about Population Registration Act here:
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Sedimentary rock would not form.
Since Sedimentary rock wouldn't form the formation of igneous and metamorphic rock would be affected too.