Which type os landform develops at plate bounderies where one oceanic plate descends beneath another? a. mountain ranges formed by a batholith b. rift valley c. lava plateau formed by uplift d. volcanic island arc

What occupation did muhammad have before the first revelation

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

Is this mrna or rna need need the answer in a hurry