An asteroid is in circular orbit around the sun. its distance from the sun is 7.3 times the average distance of earth from the sun. the period of this asteroid is a : 3.8 earth years b : 144 earth years c : 20 earth years d : 7.3 earth years e : 53 earth years

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system

In which horizon of soil profile is prevent material usually found