The nebular theory of the formation of the solar system successfully predicts all but one of the following. Which one does the theory not predict?
A) Planets orbit around the Sun in nearly circular orbits in a flattened disk.
B) the compositional differences between the terrestrial and jovian planets
C) the equal number of terrestrial and jovian planets
D) asteroids, Kuiper-belt comets, and the Oort cloud
E) the craters on the Moon
Question 2
The ________-year solar cycle is characterized by a variation in the number of sunspots and a reversal of the polarity of the Sun as a whole.
Fill in the blank(s) with correct word
Measurements of solar cycle variation during the last 30 years
Primary glands of the endocrine system.
General representation of the autonomic nervous system.
human nervous system
Formation of Pangaea
Development of the Digestive System "تطوير الجهاز الهضمي"