Answer:
Explanation:
our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. The cloud collapsed, possibly due to the shockwave of a nearby exploding star, called a supernova. When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material.
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Answer:
Gene
Explanation:
This describes a gene or genotype -- the basic physical and functional unit of heredity.
The hypothesis or something that the experiment is about