Which phrase describes a sill? fills in valleys and rivers is a hardened magma intrusion cuts vertically through older rock layers is built up by numerous eruptions over thousands of years

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

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Methane gas created by a cows flatulence especially in a large herd is a greenhouse gas. true or false.