Question

Yes, i am fine nd ya i am leaving.

How is rainbow formed?
What is filtration method of water?​

Answer 1

Answer:

1. Rainbow are formed when sunlight is scattered from raindrops into the eyes of an observer. The lower the sun in the sky the more of an arc of a rainbow the viewer will see. Rain, fog or some other source of water droplets much be in front of the viewer
2. Water filtration is the process of removing or reducing the concentration of particulate matter, including suspebded particles, parasites, bacteria , algae, viruses, and fungi, as well as other undesirable chemical and biological contaminants from contaminated water for a specific purpose

Answer 2

• A rainbow is caused by sunlight and atmospheric conditions. Light enters a water droplet, slowing down and bending as it goes from air to denser water. The light reflects off the inside of the droplet, separating into its component wavelengths--or colors. When light exits the droplet, it makes a rainbow.

• Filtration. Water flows through a filter designed to remove particles from within it. The filters are made of layers of sand and gravel, and in some cases, crushed anthracite. Filtration collects the suspended impurities in water, enhancing the effectiveness of disinfection.

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