What state borders Washington D.C. on the southeast?

What was the first comet to be visited by a spacecraft? What causes asteroids to leave the asteroid belt? How does the relationship between earth and sun affect the climate in different regions? How does flying supersonic aircraft shatter glass of the window panes? What planets are classified as terrestrial planet? A certain number decreased by 4 is equal to 8 increased by the quotient of the same number and 5? Do water and vinegar produce light? What does pseudo-mutuality mean? How many centigrams are in 50 grams? Is the Ol Doinyo Lengai volcano on a convergent divergent or transform boudary? What does 1.16 inch equal in mm? What is the smallest nuclear reactor? What conditions are necessary for the enzymatic breakdown of protein into peptides? When a firework rocket is on its way up how does gravity affect it? What things can you see using a microscope? How you will define the liquid state of substance? What can be done to prevent drastic changes in the climate of South Africa? Why does the Venus Flytrap snap shut when it senses an insect? Is radiation a measure of the average kineic energy of the particles in an object? How do you go outer space to see the stars and the earth?