The initial color of the bromothymol blue solution is blue. What does a blue color represent?(1 point)

Question

Responses

The absence of carbon dioxide
The absence of carbon dioxide

The presence of carbon dioxide
The presence 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

oxygen
oxygen

fossil fuels
fossil fuels

carbon dioxide
carbon dioxide

nitrogen
nitrogen
Question 3
What color will the water be if photosynthesis has occurred?(1 point)
Responses

purple
purple

yellow
yellow

red
red

blue

Answer 1

Here are the answers to your questions based on the context provided:

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: The water will be blue (this is typically the case when carbon dioxide is consumed and not present, leading to the blue color of bromothymol blue).

If you need further clarification or additional context, feel free to ask!