Answer:
Nuclear fusion.
Explanation:
A protostar forms as mass increases. Nuclear fusion begins under high pressure.
All cells have some common functions, but individual cells vary widely in size and shape, reflecting their unique functions in the body
Answer: A carbohydrate is a simple sugar. Its basic structure is composed of the elements carbon, hydrogen and oxygen, with generally twice the hydrogen as carbon and oxygen. In its simplest form, a carbohydrate is a chain of sugar molecules called monosaccharides.
Explanation:
Refraction- bending of light waves (ex. straw in a cup of water looks bent on a side but really is NOT, this is due to refraction, it bends the light waves reflected)
Luminescence- Creation/Emission/Starting or making of light through ways that DO NOT INVOLVE heat.
Ultraviolet- a wavelength that is part of the electromagnetic spectrum its shorter than visible light waves.