The initial color of the bromothymol blue solution is blue. What does a blue color represent?(1 point) Responses The presence of carbon dioxide The presence of carbon dioxide The absence of carbon dioxide The absence of carbon dioxide Question 2 Using a straw to blow into the bromothymol blue solution eventually turns the solution a green color. What gas is being blown into the solution that causes it to turn green?(1 point) Responses fossil fuels fossil fuels nitrogen nitrogen carbon dioxide carbon dioxide oxygen oxygen Question 3 What color will the water be if photosynthesis has occurred?(1 point) Responses red red blue blue yellow yellow purple purple Question 4 Read the following description of Tube #4: Tube #4 contains: Bromothymol blue (BTB) Carbon dioxide Not exposed to light No Elodea present Initially yellow-green in color After 24 hours, Tube #4 is still yellow-green in color. Which of the answer choices below describes why? (1 point) Responses Tube #4 is still yellow-green in color because it was unable to perform photosynthesis. Tube #4 is still yellow-green in color because it was unable to perform photosynthesis. Tube #4 is still yellow-green in color because carbon dioxide was released. Tube #4 is still yellow-green in color because carbon dioxide was released. Tube #4 is still yellow-green in color because the carbon dioxide was absorbed. Tube #4 is still yellow-green in color because the carbon dioxide was absorbed. Tube #4 is still yellow-green in color because it performed photosynthesis.

Question

GPT-4o mini · Answer

Here are the answers to the questions based on your descriptions:

Question 1: The initial color of the bromothymol blue solution is blue. What does a blue color represent?
Answer: The absence of carbon dioxide

Question 2: Using a straw to blow into the bromothymol blue solution eventually turns the solution a green color. What gas is being blown into the solution that causes it to turn green?
Answer: Carbon dioxide

Question 3: What color will the water be if photosynthesis has occurred?
Answer: Blue

Question 4: Tube #4 contains: Bromothymol blue (BTB), Carbon dioxide, Not exposed to light, No Elodea present, Initially yellow-green in color, After 24 hours, Tube #4 is still yellow-green in color. Which of the answer choices below describes why?
Answer: Tube #4 is still yellow-green in color because it was unable to perform photosynthesis.

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