Why are nucleic acids important for organisms?
a. they are stored as fat cells in animals and serve as protection and warmth.
b. they store the hereditary information that makes organisms unique.
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c. they exist in 20 different types that form the building blocks of proteins, necessary for life.
d. they form peptide bonds to create very long chains called polypeptides which store energy

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood