Investigator Powell works in a DNA lab comparing different samples with one another. She is given two samples to compare to the DNA found at a crime scene. What will Investigator Powell be looking for to determine if one of the samples is a match?
The number of different bases in the DNA
The order of pairings at certain locations on the DNA
The number of helixes in the DNA
The number of molecules in each nucleus

Which position represents spring in the southern hemisphere? a) b) c) d)

What does the symbol (–hfus) indicate in a phase change?

Calculate the estimated density of each ball. use the formula d = m/v where d is the density, m is the mass, and v is the volume. record your calculations in table a of your student guide. given that the density of water is 1.0 g/cm3, make a prediction about whether each ball will float in water. record your prediction in table a. what is the estimated density of the table tennis ball? record your answer to the nearest hundredth