never unless instructed to.
Yes Dr. Christiaan Barnard did perform his first experiments on 50 dogs 35 cats and some rats.
Experiments.
To answer specific questions
To prove or disprove a theory. If you didn't perform experiments you wouldn't have the evidence to move forward in your scientific knowledge. Try an experiment 4 times to get a reliable average result.
why do scientist perform experiments?
NEVER, unless instructed to.
never unless instructed to.
Chemists perform experiments to find out different kinds of matter can change.
Scientists perform experiments to collect data.
Yes Dr. Christiaan Barnard did perform his first experiments on 50 dogs 35 cats and some rats.
things
Experiments.
To answer specific questions
To prove or disprove a theory. If you didn't perform experiments you wouldn't have the evidence to move forward in your scientific knowledge. Try an experiment 4 times to get a reliable average result.
Depends on what they're researching, but often in a laboratory.
controlled experiments