In ΔSTU, the measure of ∠U=90°, TU = 28 feet, and ST = 39 feet. Find the measure of ∠T to the nearest tenth of a degree.

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

Name the two rivers that run through the fertile crescent. how were the rivers both positive and negative to societies of the fertile crescent?

All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water