Professor Tan studies water quality in streams near chemical plants. Which is a type of qualitative data that Professor Tan
should record during these studies?
the pH of the water
O any occurrences of unusual odors
O the oxygen concentration of the water
any changes in sizes of fish population

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.

cell/ tissue/ organ/ organ system/ body

answer australia and antarctica;

a ratio derived from the equality between two different units that can be used to convert from one unit to the other. information obtained from experiments, sometimes called experimental results. the part of the experiment that is affected by the independent variable.