What happens first when a star begins to run out of fuel? The star’s core shrinks.
The star becomes a black hole.
The star becomes a white dwarf.
The star’s outer layer drifts away.

answer

choice a

explanation

when a star's fuel is drained, the core begins to shrink first. then the star is broken down by itself and turns into a black hole or white dwarf depending on the star's original size.

weather forecasts are done by collecting data about the current state of the atmosphere mainly the temperature, humidity and wind and using meteorology, to determine the atmosphere that evolves over time. the h and l mean the high and low pressure. the red strip is a warm front. the blue strip is a cold front. the blue and red strip is a stationary front. the purple strip is a occluded front.

explanation: