What kind of organic molecule are most enzymes?

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

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear