Which type of data is qualitative data?
a) heights in meters
b) volumes in milliliters
c) calculations of density
d) descriptions of behavior

Option D

Explanation: Qualitative data is a non numerical data. It doesn't come in form of numbers. It's is often observed and recorded. For example description of behaviours.

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.