Answer:
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The most specific would be felis catus. That is the name of the species in biology, and there are no more taxonomic divides after species.
Hi there,
Speed of sound in water is approximately 1500 meters per second (the exact speed depends on the depth of water and its density) and the speed of sound in air is approximately 340 meters per second. So sound is almost 4.4 times faster in water than in air. I hope this helped :)
The answer should be 2 because planting trees gives out oxygen and we need oxygen to live