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tia_tia [17]
2 years ago
13

How does planting high-yield crop varieties make farming more sustainable?

Biology
1 answer:
Anvisha [2.4K]2 years ago
4 0

Answer:

a

Explanation:

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Answer:

Scientists define density as the mass of a substance per unit volume. The word “per”

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Density cannot be directly perceived or measured. It must be inferred from the

relationship of the mass and volume. However, it can be determined by calculation

which is how many schools teach it. To calculate density, you first measure the weight

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Explanation:

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<span>The answer is A. In thermodynamics, the first law of conservation states that energy can never be destroyed or created but can only be transformed from one form to another. Therefore part of the electric energy was converted to light energy while the other dissipated as heat. However, the summation of the energy of these tow outputs in joules remains the same as initial electric energy.
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