What is a simulator?why are simulators helpful to scientist?

A simulator is a device that enables the operator to reproduce or represent under test conditions phenomena likely to occur in actual performance.

Simulators are helpful to scientists because experiments and simulations are a way scientists do their work. Using instructional simulations gives scientists concrete formats of what it means to think like a professional and do scientific work. the relationships among variables in a model or models. Simulation allows scientists to change parameter values and see what happens.

Explanation:

for me i would

1.make a schedule

2. action plan

3. break up into simpler tasks

4.   prioritize tasks

5. delegate work

hope that

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since you have not provided the options here i   am going to give you general overview about hormone.hormone are actually the part of endocrine system in our body and produced by the endocrine glands. the hormones act like a chemical messenger   within human body. once produce by the glands they   travel through the blood stream and reach at specific or target tissue and organs   which result in control of our body function. the hormones are specific in their work and work on only the targeted tissue or organ   . with the of hormone endocrine system regulate the heart rate , metabolism, our mood and   growth as well as the development and even the sleeping cycle etc. they actually are the messenger for body cell and organs .