The angle of polarization for any medium is 60°, what will be critical angle for this.

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

The excretory system,need answers for all: )