<span>D. Gravity is the force of attraction between two objects and is dependent upon the mass of the objects and the distance between the objects.</span>
In the meaning of wave x it would be solid
The x chromosomes are female chromosomes. We all start off as a female in the womb. Slowly through time, thr y chromosome jump in to make them a male and develop genes that woman do not have. For example, their beard gene is not necessary for example.