The light from many stars can be seen from earth but there is a time delay between the time the light is emitted from the star and when we see it here on earth. Which of the following statements best explains why there is a delay?.

Which of the following words identify a question as absolute

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.