Curiosity.
No. By definition, "ultraviolet" is that which is beyond the visible light - more specifically, beyond the violet part of visible light.
yes it is harmful to human it causes skin diseases
it affects them by always having to worry about being somewhere
It is always different depending on the object. For example a female humans' center of gravity is in the hip. as a male humans' center of gravity is in the chest. But once you have found the center of gravity in an object the center of gravity should be the same in every object like it.
Ultrasonic applied to sound refers to anything above the frequencies of audible sound, and nominally includes anything over 20,000 Hz. Frequencies used for medical diagnostic ultrasound scans extend to 10 MHz and beyond.
It has always been in mankind's nature to explore beyond the world around him.
Dinosours are becoming extinctfrom humans wanting parts from them
If it is built by humans, maintained by humans, for the benifit of humans then it cannot be 100% safe
Maybe because lions kill human at times and the humans are wanting to protect there lifes.
God, not wanting humans to be automatons, created them with free will.
your lungs
humans
Humans are different from angels, but however when they pass on to the beyond and they come to help other humans. They are like angels.
Humans can be anything beyond the primary consumers on the food web. (They are second and above).
Tragedy survives because humans are inherently flawed. They will always desire more than they need, and the pursuit of wealth and unhealthy relationships causes strife.
Is this even a question? When you hate everyone, you will always hate everyone, because hate breeds hate. Misanthropy is an intellectuals allergic reaction to the world.
Sugar causes your brain to release dopamine. This is a natural "high" chemical - it causes a feeling of pleasure and satisfaction. This release of dopamine explains why humans have always craved sugar, and why people feel that they are "addicted" to sweets.