Why do lunar and solar eclipses not happen every month? Eclipses only occur during full and new moons.
Earth rotates around its axis faster than the moon.
The moon and Earth only travel through the penumbras.
The moon’s axis does not always align with Earth’s shadow.

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

Scientists discover two populations of mice on either side of a major river. the two populations have almost identical genes but the mice from one side cannot breed with mice from the other. this is most likely because