What is one way of describing elements? a: they are the building blocks of matter. b: they are the most expensive materials on earth. c: they break down easily d: they are the smallest particles of any material. i'll give brainliest to anyone who gives the right answer.

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols