The sun generates energy from a process called nuclear fusion. During nuclear fusion, the high pressure and temperature in the sun's core cause nuclei to separate from their electrons. Hydrogen nuclei fuse to form one helium atom. During the fusion process, radiant energy is released.
From inward to outward, the layers are: the core, the radiative zone, and the convection zone.
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C. Cellulose gum is a source of fiber.
Answer:
Mutation is any change in the DNA sequence
It can be both disadvantageous or advantageous
Answer: National park service
Explanation:
Double fertilization is a complex fertilization mechanism of flowering plants. This process involves the joining of a female gametophyte with two male gametes. It begins when a pollen grain adheres to the stigma of the carpel, the female reproductive structure of a flower.
