Answer:
roots enable plants to spread over land areas or roots hold the plant in place in the ground
At two points close together toward the upper right of the diagram, since X and Y chromosomes are more advanced.
Answer:
A solar eclipse can occur only when new moon occurs close to one of the points (known as nodes) where the Moon's orbit crosses the ecliptic. ... Therefore, the Moon's apparent size varies with its distance from the Earth, and it is this effect that leads to the difference between total and annular eclipses.
