Answer: Other than electron microscope rest all the microscopes like darkfield,phase contrast , fluorescence, polarizing, brightfield are variations of Light Microscope. Light microscope is an microscope that is used to visualize objects not visible by naked eyes .This microscope uses light and magnifying lenses to see the objects more precisely. The main principle behind all the variations of light microscope is the light emitted that can be either polarising,bright field, or the difference in the phases as in case of phase contrast microscope. All the variations of light microscope uses light as a main source to identify and magnify objects.Electron microscope uses a beam of electron to focus on the specimen.
Answer:
With oceanic water covering 71% of its surface, Earth is the only planet known to have stable bodies of liquid water on its surface, and liquid water is essential to all known life forms on Earth. ... Water is thought to exist as liquid beneath the surface of some planetary bodies, similar to groundwater on Earth.
Answer:
gross anatomy, an anatomical region
Explanation:
Anatomy can be grouped into gross anatomy and superficial anatomy. Gross anatomy is the study of structures that are visible to the human eye i.e. without the aid of a microscope. The anatomical regions are those regions in the body that are easily seen by the unaided eye.
In this case, Luna is trying to study the name and locations of the lumbar, or lower back, area of the body. The lumbar is the vertebrae found at the lower back of the body. Hence, it is an easily visible internal structure when dissected, making it's study a form of GROSS ANATOMY.