Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
Science
/
Grade 6
/
Biogeochemical Cycles: Water, Carbon, Nitrogen (Intro)
Worksheet
Grade Level
Grade 6
6.84 Biogeochemical Cycles: Water, Carbon, Nitrogen (Intro)
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
Which scenario best shows a single atom of nitrogen moving through both living and nonliving parts of an ecosystem?
A
Sunlight warms a leaf and then reflects to a cloud.
B
A nitrate ion in soil enters grass, a rabbit eats the grass, and decomposers return nitrogen to the soil.
C
A rock breaks into smaller rocks in a stream.
D
Oxygen enters a fish and leaves as carbon dioxide.
Submit Answer
