All of these are placental mammals except
a. porpoise.
b. mouse.
c. elephant.
d. opossum.

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

How does the nervous system affect the excretory system?

Membrane vesicles containing an internal sodium chloride (nacl) concentration of 0.14 m are placed into separate beakers each containing a different solution. the first beaker contains 0.14 m sucrose, while the second beaker contains 0.14 m calcium chloride (cacl2). the temperature is 25°c. what is the solute potential inside the vesicles, expressed in units of mpa?