<span>Aneuploidy - the abnormal condition were one or more chromosomes of a normal set of
chromosomes are missing or present in more than their usual number of copies.</span>
Explanation:
When an aqueous solution freezes, the unfrozen solution becomes denser. That's because some of the water has been removed as ice. However, the solutes remain dissolved in a solution with a smaller liquid volume. The concentration of the solution increases, so the density increases.
Some rivers begin in mountains or hills, where rain water or snowmelt collects and forms small channels, . At first, the channels are small and are called rills. As more water enters the channels they grow forming gullies (larger channels). The streams in the gullies eventually become big enough to form a river
A & b
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Answer:
A food web consists of all the food chains in a single ecosystem.
Explanation:
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