The answer is B. There were more households with no children in 1999 that in 1960.
True because the climate is harsh
D. Islands of development stimulate job creation in underdeveloped nations.
Defined STEM will collect, use, share and retain Student Data only for purposes for which we are authorized by the Educational Institution or teacher
Urban area could produce photochemical smog if there is B.many vehicles and a climate that is warm, dry, and sunny.
<h3>What is Climate?</h3>
Climate serves as the term that describes the average weather of an area.
Therefore, climate let us know the different seasons, rainfall in an area and with warm, dry, and sunny weather, photochemical smog would be produced.
Learn more about Climate at;
brainly.com/question/25707645
#SPJ1