Keisha is making a diagram of a simple machine in the body.

A flexed arm has labels X for the hand, Z for the forearm, and Y for the elbow.

Which labels complete the diagram?

X: load
Y: fulcrum
Z: lever

X: fulcrum
Y: wedge
Z: load

X: wedge
Y: fulcrum
Z: load

X: lever
Y: load
Z: fulcrum

Consider an insulating crystal, made up of layers of atoms. what form would you expect the temperature dependence of the phonon heat capacity to approach at extremely low temperatures if the interlayer coupling is i)very strong (rigid coupling), and ii) very weak. explain.

Avoltaic cell converts chemical energy to

What would people living along the coast in south florida do if there was a hurricane warning? move to locations away from the water flock along coasts to watch the natural phenomenon buy instruments to predict the exact location of the hurricane measure water levels to know the exact time of the hurricane