What are tektites and what causes them to form?

Vortexes are caused by hot air and cold air colliding head on and mixing.

Pollution created by society and nature rises into the air, and along with the reaction of the sun on ground level atmosphere and the creation of ozone (O3) causes the haze and air pollution.

water evaporating when water heats it gets to its highest boiling point which is a 100 degrees, then slowly starts rising in the air which is called evaporating, this is when steam is formed.

A meteoroid is a small sand- to boulder-sized particle of debris in the Solar System. The visible path of a meteoroid that enters Earth's (or another body's) atmosphere is called a meteor, or...

One cause is a defect in the body's systems to reduce methemoglobin to hemoglobin. The other cause is a mutant form of hemoglobin called hemoglobin M that cannot bind to oxygen.