What is the largest river by volume in the united states

Based on this map, which statement about africa’s economic activity is most accurate? a) coastal countries are all members of opec b) economic development is more common with opec nations c) coastal countries have more access to productive resources d) economic development is more common above the sahara desert

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

What would be the distance of all the planets to the sun in astronomical units?