Que tipo de sistema circulatorio tienen los siguientes animales?: esturión, marmota, medusa, garza, mosquito, caracol, esponja y salamandra ​

the answer to this predicament is false, by friend, i had this on a quiz, and i got it wrong, so i learned it, cos i was gonna have it on a test, and i got it right

the answer is c.) there is a warm front in region a and a stationary front in region b.

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.

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.