Read the questions and select the best answer.
1.
| Assertion (A): | Moon phases are caused by Earth’s shadow falling on the Moon. |
| Reason (R): | The changing positions of the Sun, Moon, and Earth during the Moon’s revolution cause the phases. |
2.
| Assertion (A): | Eclipses of the Sun and the Moon do not happen each month. |
| Reason (R): | The Moon’s orbit is slightly tilted compared to Earth’s orbit, so the Sun, Earth, and Moon do not line up perfectly each month. |