Answer:
The cycle of photosynthesis and respiration maintains the balance of oxygen and carbon dioxide. Photosynthesis produces the oxygen to replenish oxygen that is used up by living organisms during respiration. Carbon dioxide produced during respiration is one of the reactants plants need to perform photosynthesis.
Explanation:
Answer: When addressing someone who you are unfamiliar with, someone with higher authority, or someone who is older like a grandparent or principally, you use usted. When you are talking to someone familiar like your cousin or friend, you refer to them as tú.
Explanation:
The correct answer is Ser Bueno because seas,ses, and sea is referring to different talking methods like talking to someone or talking about your day and in this case ser is the most appropriate answer
Hope this has helped
