Answer:
Hi! your answer would be C. Plants produce oxygen through photosynthesis, and fish depend on this oxygen to survive.
Explanation:
I took the test and got this question right!
A practical pursuit of alchemy was the development of metallurgy practices. As alchemists always tried to turn various metals into other things, metalworking techniques were developed even though their experiments were often unsuccessful.
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Answer:
So, that students like us get confuse!!!
Explanation:
Sodium chlorate decomposes into sodium chloride and oxygen.
The reaction is
NaClO3 --Δ--> NaCl + O2
The Δ means that heat is used
This equation is still not balanced.
Balancing the equation
2NaClO3 --Δ--> 2NaCl + 3O2
The equation is now balanced.
