Echo sounders produce that travel outward in all directions. Deep-sea trenches are found near chains of active .
The deepest trench is the Mariana Trench in the Ocean.
The present locations of Earth’s magnetic poles is called polarity.
The continents are drifting apart because of seafloor .
The youngest rocks on the seafloor are found at .
Oceanic crust sinks into the mantle at .

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

What type of matter is made of only one kind of atom

One similarity and one difference between an element and a mixture of elements