Match the following
inner core
outer core
lower mantle
upper mantle (asthenosphere)
crust (lithosphere)

very dense liquid of iron and sulfur about 2,250 km thick. temperature is about 4,000°c.
made of solid iron about 1,200 km thick. temperature is about 7,000°c.
plates that average about 30km in thickness and 25°c in temperature.
solid rock about 720 km thick that flows from plasticity. temperature is about 850°c.
solid rock about 2,200 km thick. temperature is about 3,000°c.

Which feature of a heating curve indicates a change ofn state

Three different objects, all with different masses, are initially at rest at the bottom of a set of steps. each step is of uniform height . the mass of each object is a multiple of the base mass : object 1 has mass 4..00m , object 2 has mass 1..96m , and object 3 has mass . when the objects are at the bottom of the steps, define the total gravitational potential energy of the three-object system to be zero. if the objects are then relocated as shown, what is the new total potential energy of the system? each answer requires the numerical coefficient to an algebraic expression. each algebraic expression is given using some combination of the variables , , and , where is the acceleration due to gravity. enter only the numerical coefficient. (example: if the answer is 1..23mgd , just enter 1.23)

Each neuron shown in this figure innervates a group of muscle fibers. what is the term for a group of muscle fibers innervated by a single neuron?