You sit comfortably in your room studying and notice that the air ...

[tiffannnnyyyyyy]

You sit comfortably in your room studying and notice that the air temperature is fluctuating considerably. Perhaps the air conditioning system is not well regulated.
 
  Sometimes it gets too hot and you sweat, while other times you get so cold that you shiver. When you are sweating or shivering, you are exhibiting your A) limits of tolerance.
  B) temperature optima.
  C) resource range.
  D) abiotic independence.

Question 2

The ash produced from coal-fired plants is
 
  A) non-toxic and useful in paving roads and producing cement-like products.
  B) voluminous, highly toxic and needs special impoundment technology.
  C) currently released slowly into rivers, lakes, and oceans.
  D) concentrated into pellets and used for fuel.

[zogaridan]

Answer to Question 1

A

Answer to Question 2

B

[tiffannnnyyyyyy]

Excellent

[mammy1697]

Gracias!