Answer:
true
Explanation:
Board of Education of Topeka, case in which on May 17, 1954, the U.S. Supreme Court ruled unanimously (9–0) that racial segregation in public schools violated the Fourteenth Amendment to the Constitution, which prohibits the states from denying equal protection of the laws to any person within their jurisdictions.
Option 3: children given water to drink
Answer:
Explanation:
A control group in an experiment is a group separated from the rest of the experiment where the independent variable being tested is not exposed. It is the group not receiving the treatment.
Answer:Functional magnetic resonance imaging or functional MRI (fMRI)
Explanation:Functional magnetic resonance imaging or functional MRI (fMRI) is a technique used to measure activities that occurs in the brain by detecting how the blood flow changes. It is based on the fact that blood flow and neuronal activation occur together.
Mixture- Heterozygous(different types) and compound
Pure substance- Homozygous(same types) and element
Mixed nuts - m salt - m
oxygen - p tin - p
fruit salad - m sugar - m
lead - p hot tea - m
silver - p vegetable soup - m
sand in water - m soil - m
