The answer is b an astronomical unit
Answer:
if the information is presented in color
Explanation:
A chart or a graph represent a naturally occurring phenomenon or data which is compiled up so that predictions can be made.
Graphs and charts can be of different types such as a pie chart or a bar graph.
The usage of the colour in graphs and chart is not necessary and it is merely dependent on the person making the graph to use colours or not.
Answer:Galileo sparked the birth of modern astronomy with his observations of the Moon, phases of Venus, moons around Jupiter, sunspots, and the news that seemingly countless individual stars make up the Milky Way Galaxy.
Explanation: Mark me brainly please
