Which of the following best describes why we see the moon at different phases?
A.We are only seeing portions of the moon that is reflecting Earth's atmosphere.
B.We are only seeing portions of the moon when its orbit is closest to the Earth.
C.We are only seeing portions of the moon that is reflecting sunlight.
D.We are only seeing portions of the moon that is blocking sunlight.
Approximately how many days does it take for the moon to go through a complete cycle of its phases?
A. 29 days
B.10 days
C. 45 days
D.24 hours
1. b reflecting sun
2. 29 days
3.newmoon is B
4. A PERPENDICULAR TO EARTH AND SUN
5.b waxing is first quarter
The correct answer to the first question is C. We see different phases of the moon because we are only seeing portions of the moon that are reflecting sunlight.
The correct answer to the second question is A. It takes approximately 29 days for the moon to go through a complete cycle of its phases.
For the first question, the best answer is C. We see the moon at different phases because we are only seeing portions of the moon that is reflecting sunlight.
To understand why this is the case, it is important to know that the moon does not produce its own light, but instead reflects light from the sun. As the moon orbits around the Earth, the angle between the sun, Earth, and moon changes. This changing angle causes different portions of the moon to be illuminated by sunlight, resulting in the various phases of the moon that we observe from Earth.
For the second question, the correct answer is A. It takes approximately 29 days for the moon to go through a complete cycle of its phases. This period of time is known as a lunar month or synodic month.
C
C
C
D
D
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