Which of the following describes that all the objects in the universe are composed of different arrangement of atoms that form different combinations and shapes?

• Multiverse

• Nebular Theory

• Atomic Universe

• Aristotelian Universe

The following are the observed regularities of the Solar System, EXCEPT __________.

• The orbits of all the planets are in the same plane.

• All planets revolve around the Sun in a clockwise direction.

• The solar system contains asteroids and comets.

• The planetary orbits are nearly circular or elliptical.

Which of the following is NOT a characteristic of a dwarf planet?

• In orbit around the Sun

• Has a nearly-round shape

• Has not cleared its neighborhood around it

• Is a satellite

Which of the following characteristics describe the exosphere?

• Satellites are stationed in this layer

• It is the hottest layer

• Has the highest air pressure

• Weather occurs in this layer

The planet Mars is popularly known as the Red Planet. What causes the reddish color of the Martian landscape?

• Hydrogen oxide

• Iron oxide

• Hydrogen peroxide

• Iron peroxide

______________ are things that can be used again and again but its supply can be replaced.

Coal originated from ___________ and plant matter.

The proportion of dissolved salts to pure water expressed in parts for thousands is called ____________.

Lignite is a soft, brownish-black coal that forms the _________ level of coal family.

___________ is the basic element among fossil fuels.