When the body is cold, an interaction of systems allows the body to warm itself. which of these the body warm itself when it is cold? check all that apply. shivering sweating hair on body lying flat goosebumps forming hair on body standing up

shivering, goosebumps, erect hair.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.