The temperature and brightness of stars are shown on the bright-temp graph h-r diagram star model luminosity grid

what is the area beyond a black hole where the black hole has stopped expanding and matter will no longer be pulled in

Which statement explains what happened to the agriculture economy in russia under communism

The specific heat of the three substances in the image are given in the table. stamped concrete: 0.75, grass covered soil: 1.01, water: 4.18. place the areas in order based on how fast they’ll heat up on a sunny afternoon. start with the fastest and end with the slowest.

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle