What type of chemical reaction is this?

it's single replacement since fe being more reactivate than cu ,replaced cu from the solution of feso4

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

that scientist would be robert hooke