Where could you find the photosphere? A )the Earth’s atmosphere
B) the sun’s surface
C) about 1 million km from the sun’s surface
D) the layer above the sun’s core

B) the sun's surface

Explanation:

if you look at the sun you see the photosphere

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

it's c. (to reduce the greenhouse effect/carbon gasses)