whattools do scientist use to study meteors
microscope
rewards and motivations used in training and its effectiveness are the tools used to study dogs emotional reactions.
What scientists studied freezing point of depression? I can't find any.
You use a tool
to study dolphins
Index fossils are used, and are of significant importance in finding the relative age of rock.
Scientists use many different things to study microevolution. One tool they use is called Mendel's Accountant, which allows realistic numerical simulation of the mutation/selection process.
Scientists use mainly fossils.
Scientists used microscopes to gather observations that led to the formation of the cell theory. These observations allowed scientists to see and study cells, leading to the discovery of their structure and function.
Scientists use an electron accelerator :)
so scientists can detect smaller objects to study
A graduated cylinder