Quando um castor percebe o perigo, dá um tapa na cauda. Como isso ajuda os castores?

Por favr me ajudem o mais rápido possíve

An example of internal feedback working to maintain homeostasis is your a. decreased respiration rate when you are studying b. decreased heart rate when you are sad c. increased respiration rate when your muscles need more oxygen d. increased heart rate when your lungs need more oxygen

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called