Answer:
C
Explanation:
Unicellular algae can't do photosynthesis because it is a single cell organisms, therefore the answer is C
Answer:
I am a grade six student but I am very interested in chemistry
Explanation:
I sorry but this is NOT chemistry
2NH₃(g) + CO₂(g) → CO(NH₂)₂(s) + H₂O(l)
is the balanced equation for the synthesis of urea.
...because this notation increases the convenience in using the numbers