Answer:
A factors or conditions within an experiment that is kept the same is called the=Control variable
Answer:
Race refers to a person's physical characteristics, such as bone structure and skin, hair, or eye color. Ethnicity, however, refers to cultural factors, including nationality, regional culture, ancestry, and language. ... You can have more than one ethnicities but you are said to have one race, even if it's "mixed race".
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Substitution causes sickle-cell anemia.
Answer:
Roosevelt Corollary
Explanation:
The Roosevelt Corollary was to support the Monroe Doctrine established in 1904 by President Theodore Roosevelt after the Venezuela Crisis of 1902–1903. it gives the United States the ability to intervene in conflicts among the European countries and Latin American countries to Make sure such claims are looked into rather than enacted by European powers on these Latin American countries
It also gifts the United States the right to "international police power" to cut short serious unrest in the Western Hemisphere.
