What type of igneous rock is this?

Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called a. shield volcanoes. b. cinder cone volcanoes. c. composite volcanoes. d. lava plateaus. select the best answer from the choices provided a b c d i need asap

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food