Answer:
1. B
2. C
(check with your teacher to make sure and explain it to you)
Answer:
The correct answer is oxygen was produced by photosynthesis.
Explanation:
During the process of photosynthesis carbon dioxide is consumed and oxygen is released in presence of sunlight.
when plant is placed in the yellow solution and kept in sunlight the plant undergo photosynthesis.As a result the yellow solution in the tube in presence of sunlight turns blue because oxygen is released by reduction which is responsible for the blue coloration of the solution.
On the other hand the plant that is placed in dark unable to undergo photosynthesis due to which there is no change in color.
The correct answer for this question is this one: "A. Has the claim been discussed on the news or other reliable media sources?"
There exists the same question from other source that has the following choices:
<span>A. Has the claim been discussed on the news or other reliable media sources?
B. Has the claim been promoted by more than one expert witness?
C. Has the claim been published in more than one periodical?
D. Has the claim been tested numerous times by more than one scientist?</span>
