I believe, The number of water molecules has increased.
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Explanation:
earth, Mars, Venus, mercury
Answer:
Energy can be changed from one form to another
Explanation:
Energy can't be destroyed or created
Answer:
The Y chromosome do not go through crossover
Explanation:
Typically, genes from the mother and father are shuffled -- or, "cross over" -- to produce a genetic combination unique to each offspring. But the Y chromosome does not undergo crossing over, and, as a result, its genes tend to degenerate, while repetitive DNA sequences accumulate. Each chromosome is made up of DNA.
B. Comsumers have less food and shelter.