What is one major disadvantage in using the pyramid of biomass? What might an unhealthy pyramid of energy look like?

The main disadvantage with this type of  Pyramid is that it can make a tropic level appear to contain more energy than it actually does. The bones of an animal are often not eaten; nevertheless, it would still be quantified even though it does not contribute to the overall flow of energy into the next tropic level.  An unhealthy pyramid of energy would have more energy at the higher tropic levels than the lower tropic levels (inverted pyramid); thus, it would collapse.

condenser is used to focus in the light microscope.

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.