Scales of a fish, I kind of read or heard people getting drafts of fish skin which might be the same.
its bumped because it stores water for the camel
THE ANSWER IS: <u><em>Make a model</em></u>
Different scientific questions and hypotheses require different types of scientific investigations. Some questions can be answered through controlled experiments. Other questions can be answered through collecting specimens, building models, and/or making observations.
For example, questions about events that occur over thousands of years are best studied through models.
Anime1life can you list the options so I can refresh my memory and list the correct answer for you.
