Within to the rock cycle, which of the following is NOT correct? Metamorphic rocks may melt to become magma.
Sedimentary rocks may weather to become igneous rocks.
Heat and pressure may change igneous rocks into metamorphic rock
Magma may crystallize to form igneous rocks.

Which of these conditions most likely produces an unstable isotope?

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

How does climate change cause the ocean's thermohaline current to slow down?