Aresearcher discovers that polar bears have very good insulation and very think hair (similar to pandas). however, they do not show the rest of the panda behaviors. for example, they have high daily energy expenditure and are very active. why are the panda and polar bear so different?

i believe it would be the lungs.

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.

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.