Which of the following best describes an antibody?
A. protein that targets and blocks immune molecules
B. A molecule that causes the body to react negatively to certain substances
C. A tiny invader, like a virus, bacterium, or parasite
D. A molecule that provides energy to the body

Study the graph and then complete the analysis of the data by filling in the missing information.

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d.c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d.c. b) approximately 250 bigwigs will be flying to washington, d.c. c) approximately 250 science people will be going to washington, d.c. d) approximately 250 well-known scientists will be arriving in washington, d.c.

According to warren in the brown opinion, how did conditions change between the time the fourteenth amendment was adopted and the time the supreme court considered brown v. board of education?