Answer:
Yes is incorrect
Explanation:
not all veins carry blood rich in CO2 , the pulmonary vein carries blood with O2 which means that not all veins carry blood rich in CO2
The respiratory system is responsible for the exchange of oxygen and carbon dioxide. This is the exchange of air in your lungs, to take oxygen in, and to breathe carbon dioxide and other wastes out.
I hope this helps!
~kaikers
Answer:
Yes
Explanation:
3NaOH + H3PO4
3Na + 3O + 3H + 3H + P + 4O
3Na + 7O + 6H + P
Na3PO4 + 3H2O
3Na + P + 4O + 6H + 3O
3Na + 7O + 6H + P