Answer:
Darwin's main contribution to the theory of evolution was his theory of natural selection.
Explanation:
Natural selection is the phenomenon that some organisms from a particular population fit better into their environment, that is, are more likely to provide surviving offspring than less well-adapted organisms. The best adapted organisms will increasingly gain the upper hand within the population (survival of the fittest). It is thus one of the mechanisms of evolution. Mutations in, and recombinations of, the genetic material of the organisms cause the genetic variation in the population, allowing this selection.
Answer:
While most people were Africans, a small group of French aristocrats controlled the government.
Explanation:
The slave owners, both white and people of color, feared the slaves and knew that the incredible concentration of slaves (the slaves outnumbered the free people 10-1) required exceptional control. This, in part, accounts for the special harshness and cruelty of slavery in Saint-Domingue.
The development of alternative and renewable sources of enery such as hydroelectricity, wind power, solar power are the steps taken to address the environmental challenges brought on by industrialization.
<h3>What are the environmental challenges caused by industrialization?</h3>
The industrialization in Europe result to some drawbacks that include air pollution, water pollution and soil contamination.
These drawback significantly resulted in a deterioration of quality of life and life expectancy.
However, various environmental reforms and laws related to environmental challenge are enacted to reduce these pollutions.
Read more about environmental challenge
<em>brainly.com/question/884949</em>
The government helped the railroad industry is by granting land to the railroad companies
Answer: D. The colonists used indentured servants from Europe to meet the demand for cheap labor on the plantations,
Explanation:
