Scientists have observed that the planets closest to the Sun orbit faster than the planets farther away from the Sun. What is responsible for this observation? (help fast) A
the nuclear energy of the Sun

B
the magnetic field of the planets

C
the gravitational force of the Sun

D
the electrostatic force of the planets

C

Explanation:Its gravitational force of the sun

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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