Compared with our sun, first-generation stars tend to be in mass and

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

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

Formidable obstacles of climate, terrain, and distance hinder exploitation of natural resources in russia. true false