Random thought, should fingers have FINGERS? A) Of course!
B) What the heck is wrong with you, NO.

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor

Which direction does the energy flow in this energy pyramid ?

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.