A) chronosphere B) corona C) photosphere D) core
A) the aurora borealis B) lunar eclipse C) solar eclipse D) flow of protons and electrons from sun
A) helium is formed B) 2 hydrogen atoms combine C) nuclear fusion D) all of the above
A) the sunset B) the northern lights C) solar winds D) the moon
A) chronosphere B) convection zone C) corona D) photosphere
A) radio waves B) gamma rays C) microwaves D) x rays
A) microwaves B) radio waves C) gamma rays D) x rays
A) False B) True
A) ultraviolet light B) the visible spectrum C) we can see all of the electromagnetic spectrum D) infered light
A) 93 million miles B) 93 thousand miles C) 93 billion miles D) 1 light year |