The core of a star must reach a temperature degrees celsius for hydrogen fusion to begin

Liquid water turns into water vapor at which step in the water cycle

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

Aflame cell is at the end of each tubule of the nephridium malpighian tubules kidneys none of the above