Kaylee wants to test her hypothesis that she performs better on tests after getting more sleep. In which way will she best be able to do this?
A. by analyzing her test scores when she gets the same amount of sleep
B. by asking her friends if sleep affects their test scores
C. by analyzing her average test scores after nights with different amounts of sleep
D. by reading online about the relationship between sleep and test scores

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.

Which of the following does not make up ground substance of connective tissue? hyaluronic acid elastic fibers glycosaminoglycan proteoglycan

What is the term for a water wave that is created by an underwater earthquake