Question

inner planet | outer planet

planet a has 67 moons, and major parts of its atmosphere are hydrogen and helium.
planet b has rings but not much atmosphere.
planet c has no moons but has high volcanic activity.
known as the red planet, planet d has high amounts of carbon dioxide in its atmosphere and has two moons.
planet e has a thin layer of atmosphere but no moons due to the effects of the suns gravity.

Explanation:

Classify Planet A

Using the Gas Giant Characteristics and Planetary Moons knowledge points

• Planet A has 67 moons and a hydrogen/helium atmosphere.
• These are key characteristics of gas giants (outer planets).
• Therefore, Planet A is an Outer Planet.

Classify Planet B

Using the Inner and Outer Planets knowledge point

• Planet B has rings but not much atmosphere.
• Planetary ring systems are exclusive to the outer planets.
• Therefore, Planet B is an Outer Planet.

Classify Planet C

Using the Venusian Geology and Terrestrial Planets knowledge points

• Planet C has no moons but high volcanic activity (characteristic of Venus).
• Venus is a terrestrial planet located close to the Sun.
• Therefore, Planet C is an Inner Planet.

Classify Planet D

Using the Terrestrial Planets and Planetary Atmospheres knowledge points

• Planet D is known as the "red planet" (Mars), with carbon dioxide and two moons.
• Mars is a terrestrial planet.
• Therefore, Planet D is an Inner Planet.

Classify Planet E

Using the Inner and Outer Planets and Terrestrial Planets knowledge points

• Planet E has a thin atmosphere, no moons, and is strongly affected by the Sun's gravity (characteristic of Mercury).
• Mercury is the innermost terrestrial planet.
• Therefore, Planet E is an Inner Planet.

Answer:

Inner Planet	Outer Planet
Planet D	Planet B
Planet E