The following table shows the production possibilities for pies and fl owerboxes. Fill
in the opportunity cost (pies forgone) of
producing the fi rst through the fi fth fl owe

adding more details about the struggle rainsford experiences as he swims to the shore

the krebs cycle and electron transport occur in the mitochondria, though other than that i would need to know more information.

the correct answer is option d. none of these. it is noted that options a, b, and c share the same content.

despite the valid answer provided at the last sentence of each of the options, a question/answer format shouldn't include humourous themed responses such as "you bet your thermal pj's we do." - unless of course, the answer is carried out in an informal environment. this could be replaced with a simple "yes" or "it is necessary".

the question should be re-phrased to a more appropiate syntaxis. instead of "do we need the greenhouse effect? ", it should be written as "is the greenhouse effect necessary? " in order to give it a general scope, instead of limiting the answer to the needs of "we" the humans.