Cyclic gmp, or cgmp, acts as a signaling molecule whose effects include relaxation of smooth muscle cells in artery walls. in the penis, this signaling pathway and the resulting dilation of blood vessels leads to an erection. select the correct statement about the effect of viagra on this signaling pathway.

Viagra inhibits the hydrolysis of cGMP to GMP.

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.