Which of these happened first? A. The Supreme Court established the principle of “separate but equal.”
B. The Civil War ended.
C. President Lyndon B. Johnson signed the Fair Housing Act.
D. The Supreme Court made it easier for school districts to stop trying to desegregate.

i discarded the supernatant and kept the pellet in this part of the experiment because you have to return all unused chemicals into their original containers at the end of each labratory.

explanation:

my cultural heritage consists of irish, german, native american, and others.

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on