Do you think that photochemical smog levels are high during the winter or during the summer? Explain.

Use this: I think the photochemical smog levels are higher during the summer do to the increase in car usage and pollution. Studies show that more people use cars in the summer. In addition, the hot, musty, humid air in the summer can significantly increase pollution effect.

Explanation:

"the periodic table is arranged in order of atomic number."

the answer is barium and copper bromide