The planets grew larger by attracting more materials like dust, asteroids, and rocks due to
a) attraction
b) force of gravity
c) radiation
d) none of these
Which of the following planet is the fifth largest planet in size?
a) Earth
b) Neptune
c) Venus
d) Pluto
In
which of the following planet life only exists?
a) Earth
b)
Pluto
c) Mars
d)
none of these
which of the following matters to live on planet?
a) size
b) distance
c) intense heat
d) none of these
The average distance of earth from the sun is about how many miles?
a) 93 million
b) 100 million
c) 105 million
d) all of these
Which of the following theory is the most widely accepted theory?
a) orbital theory
b) big bang theory
c) molecular filed theory
d) none of these
