A sugar, a phosphate group, and a nitrogen base
Newton proved that the force that causes, for example, an apple to fall toward the ground is the same force that causes the moon to fall around, or orbit, the Earth. This universal force also acts between the Earth and the Sun, or any other star and its satellites. Each attracts the other.
1. <span>composed of cells with cell walls
2. </span><span>Vertebrates contain a backbone, while invertebrates do not.</span>
Answer:
23 pairs nucleus parents and dna
i know that the 23 pairs is right and i also think that the rest is right to
