Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the
correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag
the item to the trashcan. Click the trashcan to clear all your answers.
Label the internal structure of the earth:

Inner Core
crust/Lithosphere
Lower Mantle
Outer Core
Upper Mantle
Crust
Astronosphere

well we can't tell you because we cant see the time give a screen shot or something.

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

sound moves fastest in solids because the molecules are tightly packed and it allows sound to vibrate

it's false. hope i .