Mexico City, Mexico, and San Salvador, El Salvador, are both . A. located on islands B. located near active volcanoes C. at risk for hurricane flooding, as both are near the coast D. located on the Rio Grande Please select the best answer from the choices provided A B C D

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

Which of the following is not a place where hydrogen can be found on earth? a. natural gas well b. atmosphere c. water d. mine

Seafood watch is a program that identifies sustainably harvested, ocean friendly seafood in order to