Lunar eclipse occurs when Earth comes in between Sun and the Moon. Solar eclipse occurs when the Moon comes in between Sun and Earth. This suggests that: A. both eclipses occur on a new moon day.B. solar eclipses occur on a new moon day and lunar eclipse occurs on a full moon day.C. lunar eclipse occurs on a new moon day and a solar eclipse occurs on a full moon day.D. Both eclipses occur on a full moon day.

The correct answer is B. Solar eclipses occur on a new moon day, and lunar eclipses occur on a full moon day.

Here's why:

Solar Eclipse: A solar eclipse occurs when the Moon comes in between the Sun and the Earth, blocking the Sun's light from reaching the Earth. This can only happen during a new moon because that's when the Moon is positioned directly between the Earth and the Sun. During a new moon, the side of the Moon facing the Earth is not illuminated by the Sun, so it appears dark.

Lunar Eclipse: A lunar eclipse occurs when the Earth comes in between the Sun and the Moon, causing the Earth's shadow to be cast onto the Moon, darkening it. This can only happen during a full moon because that's when the Moon is on the opposite side of the Earth from the Sun. During a full moon, the side of the Moon facing the Earth is fully illuminated by the Sun.

So, solar eclipses are associated with new moon days, and lunar eclipses are associated with full moon days.