the kinetic energy of the planets circling the sun is balanced with the suns gravitational energy, resulting in a stable movement and distance for each planet. what is this stable path around the sun called

Attached earlobes are a reccesive trait in humans. in the tree below, people with attached earlobes are shaded in. which best describes labeled x in the tree? a: a female with one recessive allele b: a female with no recessive allelesc: a male with no recessive allelesd: a male with one recessive allele