The heat rising from the deseret floor and heat waves make the mirage.
(1) ionic, (2) metallic, (3) covalentnetwork, and (4) molecular
Answer:
spiral
Explanation:
A galaxy may be defined as the huge collection of celestial bodies like the stars, planets, dark matters, dust and gases and the solar systems. It is derived from the Greek work, 'Galaxias' , which means "milky". There are many types of galaxies. They are : Spiral galaxy, Elliptical galaxy, Irregular galaxy and Barred spiral galaxy.
A spiral galaxy is one which contains a sphere shaped bulge which consists of old stars and it is devoid of dust and gas. Its circular shape composes a disk. It is of circular shape having most of the objects concentrated in its center.
Answer:
Duration of the total trip
Explanation:
Acceleration is defined as the rate of change of velocity of an object:
where
is the change in velocity
is the duration of the change in velocity
Acceleration is measured in meters per squared seconds, 
. Also, we should note that acceleration is a vector quantity, so in order to completely define acceleration we also need to specify the direction.
