Answer:
A. Hydrogen atoms are split in fission.
Explanation:
The sun is powered by fission
The answer to this question would be: <span>B. Polyculture
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Polyculture is the practice to plant two or more different kind of crop in the field at same time. This method is better than monoculture that only plants one kind of crop. Polyculture needs more labor but it can increase the yield of the field and reduce the incidence of disease.
A double helix, looks like a twisted ladder.
Isopropyl alcohol causes the DNA to precipitate. When DNA is emerged in the solution, when it comes out it will ideally clump together, making it visible. Isopropyl alcohol is a key ingredient when isolating DNA. Ethanol also can be used to achieve this.
Answer: A
Van Helmont concluded that most of the mass the plant gained had come from water.
