well to listen to people and to hear noisessuch as fire alarm, house alarm, ice cream van :P , school bells , cars , gun shots hehehehe lol but yes everyone nows this lmaool :P
A: Most useful or actually the only time that it is useful is when it has reached its predictable reverse breakdown voltage.
Alert
The change that would be most useful for farmers bothered by leaf-munching bugs is physiological,, such as the addition of a bitter taste to the plant's leaves.
Otto Frederick Rohwedder- he invented sliced bread.
There are many reasons why microphones and ears are alike. They are both tools that take in audio for example.
They can hear good.
Ears and hands would be most useful for a blind person to move around safely. Ears help in detecting sounds to determine the environment, while hands provide tactile feedback by touching and feeling surroundings, aiding navigation and avoiding obstacles.
because a polar bear ears are not very useful but a grizzly bears ears are very important fir him
Most useful and more useful.
more useful, the most useful
Most mammals have ears.
Some frogs have inner ears but most have middle ears.
more useful, most useful
What is good about bat ears is the they can pick up high frequency waves and they are useful for echolocation.
NO not all animals do most peopel have ears
um... I'm pretty sure it's more helpful and the most helpful?
for most people it does hurt to get your ears pierced.