What causes the phases of the moon? (Select two.) A. The Moon is illuminated on one side by the Sun.
B. Earth casts a shadow on the Moon.
C. The Moon's position relative to Earth results in phases.
D. The Moon changes shape as it moves around Earth.

the answer would be 2, if crossing over doesn’t occur 2 out of 4 of the daughter cells will have that allele.

hope this : )

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs