How could energy conservation to control or decrease air water and land pollution?

Which of teh following would explain the importance of the trans-siberian railroad to russia's economy? (schoology test)

Explain how earths tilt and revolution around the sun affects weather and climate

Triangle xyz is shown, where n ≥ 5. which statements are true regarding the sides and angles of the triangle? check all that apply. is the longest side. angle x is the largest angle. angle z is greater than angle y. is opposite the largest angle. is the shortest side.