The new leaf will contain 14 chromosomes, because during mitosis, a cell makes an exact copy of itself. Therefore, the number of the chromosomes in that cell stay the same.
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You can tell if matter is conserved if the substance changes . If the substance changes then matter has been conserved .
I think it is B. biome
Because biome means a large area dominated by characteristic plants and animals, such as a rain forest, desert, or tundra.
