Gamma rays, X-rays and ultraviolet rays from sun cause a lot of damage to the living beings on Earth. The atmosphere on the Earth protects us from these harmful rays. The ozone layer protects us from ultraviolet rays from the sun which can cause plants to die and skin cancer in humans.
Answer: The three types of harmful waves that our atmosphere protects us from are:(1) Gamma ray (2) X-rays (3) Some ultraviolet waves
Explanation: The atmosphere serves a very important role in protecting every living things in the earth and making it so comfortable to live and survive.
The atmosphere protects us from getting exposed to these three types of harmful waves;(1) Gamma ray (2) X-rays (3) Some ultraviolet waves. All these waves are harmful because they have higher energy waves that is capable of damaging cells in living things when exposed unnecessarily for a long time.
An object is called a horizontal projectile if it is launched from a certain height with some initial horizontal velocity only. The initial vertical velocity of such an object is zero. But as the object falls through the atmosphere the horizontal component of velocity remains constant but vertical component increases due to gravitational acceleration.
