He nurse is assessing a 31-year-old female patient with abdominal pain. th nurse, who notes that there is ecchymosis around the area of umbilicus, will document this finding as a. cullen sign. b. rovsing sign. c. mcburney sign. d. grey-turner's signt.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

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.