. Kead & Respond
Use the text below to answer the question.
Question 5 of 8
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7
You can conduct investigations to gather evidence for what plants need for photosynthesis
Bromthymol blue is an indicator of carbon dioxide. It changes color in the presence or
absence of carbon dioxide. For a plant to photosynthesize, it needs to take in carbon dioxide
from its environment. Bromthymol blue can indicate this by changing color. Investigations
can also be conducted by placing one plant in the dark and one in the light. You can also
conduct tests to see that oxygen is released in photosynthesis or to explore what factors
can affect the rate of photosynthesis.
READS
ESPOND
The author of the passage would most likely agree that
А
most scientists don't believe that plants release oxygen.
B
the hypothesis that plants need light has been disproven by evidence.
c с
Bromthymol blue does not reliably indicate the presence of carbon dioxide.
D
scientific investigations can show how the process of photosynthesis occurs,
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