How can I promote Americanism?

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

The middle east links which two continents? ●asia and europe●europ and africa●africa and asia●africa and australia

Sam hated the long nights of winter! his mother called him in from playing so early: around 4: 30 pm! it is usually dark out when sam is eating supper. what letter represents the long nights where sam lives? a) a. b) b. c) c. d) d.