Answer:
<em>B. Methyl yellow, which changes from yellow to red around a pH of
</em>
<em>4.0</em>
Explanation:
A pH indicator is a technique by which the pH of a solution can be known. The scenario in the question describes that the scientist wants to determine a pH after it gets converted from 6 to below 4. For this recognition, the scientist should use a methyl yellow indicator which will change from yellow to red once a pH around 4 is achieved.
Photosynthesis takes place in the chloroplasts
The ventromedial hypothalamus is the part of the brain that
is responsible for hunger, fear, and even the sexual activity. In this problem,
researchers destroyed snippy’s ventromedial hypothalamus, this means that
snippy will not be able to feel hunger, fear and will not be active in sexual
activities.
