Ablack hole pulls in gas from a nearby companion star. crossing the event horizon, this matter heats up and emits a. after; x-rays b. before; x-rays c. after; infrared radiation d. before; infrared radiation

How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service