CFA Sept 2025 day/night seasons subsystem

All living organisms make up this subsystem:

• Hydrosphere

• Biosphere

• Atmosphere

• Geosphere

Earth's subsystem of the collection of gases.

• Hydrosphere

• Biosphere

• Atmosphere

• Geosphere

Water found above, on, and below Earth's surface makes up the (a)   .

• Hydrosphere

• Biosphere

• Atmosphere

• Geosphere

What is the term for the solid part of Earth, including rocks and soil?

• Hydrosphere

• Biosphere

• Atmosphere

• Geosphere

There are _____ subsystems in Earth.

• 2

• 3

• 4

Which term is used to describe smaller parts that make up a larger system?

• Solar System

• System

• Subsystem

The outer most layer of the Earth.

• Core

• Mantle

• Crust

• Geosphere

Which layer of the Earth is primarily composed of iron and nickel?

• Crust

• Core

• Mantle

• Biosphere

The imaginary axle that a planet spins on is called a(n):

• axle

• North Pole

• South Pole

• axis

Earth's revolution is the reason for day and night.

• True

• False