Base your answer to this question on the diagram below and on your knowledge of Earth science. The diagram represents the inferred origin and evolution of most stars. Which star is most likely to become a supernova? -Sun
- Deneb
- Pollux
-Barnard's Star

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?