Question

List down at least three features on each system, an example per system is given as your guide:
System: atmosphere
Key Word: air
System Features:(e.g. clouds)

Answer 1

The question can be answered as follows:

Explanation:

• 1) System : Water Cycle
• Key Word: Water
• System features: Soil, clouds, plants
• 2) System : Nitrogen Cycle
• Key Word: nitrogen
• System Features: soil, denitrification, nitrogen fixation
• 3) System: Respiration
• Key Word: Breathing
• System Features: carbon dioxide, oxygen, lungs