My family has a quaint cottage at a small, private lake. (2) The cottage is about 75 years old, but we try to keep it in good co
ndition. (3) The outside is white with green trim on the windows and shutters. (4) In front of the cottage is a flagstone walk that leads down to a stone patio. (5) The patio itself is right next to the water. (6) Out from the patio stretches a dock where we keep a small rowboat tied. (7) Every summer, my family sets aside a week when we all get together at the lake for a family vacation/reunion. What purpose do sentences 3 through 6 serve in this paragraph? A. They show cause and effect. B. They introduce the main idea. C. They provide supporting details. D. They set up a comparison.
where is the image What is the name given to material orbiting the event horizon of a black hole? Such matter forms what is called the accretion disk. ... The event horizon is at a radius called the "Schwarzschild radius", which is equal to 2GM/c^2 where M is the mass of the black hole.
