Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Cycles
0
%
0
0
0
Back
Restart
oxygen is given off during the day in which cycle ?
oxygen cycle
Oops!
Okay!
When water evaporates it is part of which cycle?
water cycle
Oops!
Okay!
Combustion takes place in which cycle?
carbon cycle
Oops!
Okay!
in the carbon cycle what happens when organisms die?
they are decomposed meaning they are broken down into smaller compounds by bacteria or fungi.
Oops!
Okay!
in the nitrogen cycle what is found in the soil?
nitrates
Oops!
Okay!
protein is essential in this cylce?
nitrogen cycle
Oops!
Okay!
bacteria converts ______ to ammonium compounds.
urea
Oops!
Okay!
the nitrogen cycle faeces produces________.
ammonium compounds/ nitrifying bacteria
Oops!
Okay!
how do plants help in the nitrogen cycle?
by roots that use and release nitrates.
Oops!
Okay!
most organisms take it in for respiration
oxygen
Oops!
Okay!
Which of the cycles need carbon dioxide to have its process taking place?
carbon cycle
Oops!
Okay!
photosynthesis is the only process by which carbon dioxide can enter the living world. in which cycle do we find this happening?
carbon cycle
Oops!
Okay!
How do animals help in the carbon cycle?
By breathing out carbon dioxide
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies