Which of the following pictures shows the appearance of the moon when a solar eclipse occurs?

Answer:
D
Explanation:
the moon covers the sun so when combined together you'll have a new moon
The image with the completely black moon as shown in option D is the correct answer.
During a solar eclipse, the moon is completely dark in some regions. This is because the moon positioned itself between the sun and the earth and blocked part of the sun's rays, causing a shadow to be cast on the moon, darkening it.
More information about the eclipse at the link:
https://brainly.com/question/4702388