What is the best definition of wind

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

Why is the indus river so important to the people of pakistan?

Which events occurred during the space race? check all that apply. (a) nasa was established. (b) yuri gagarin orbited earth. (c) the soviet union launched salyut. (d) the united states launched skylab. (e) the united states launched explorer 1.