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