Researcher collected data to determine volumetric bone density for four samples. The data are recorded in the table. What is the average bone density for the data samples

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

What process decreases the salinity of ocean water? decreased precipitationdecreased melting of glaciersincreased evaporationincreased runoff from rivers