Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
<span>
c. thyroxine </span><span>The thyroid releases too much of the hormone thyroxine, which increases the person's basal metabolic rate.</span>
Answer:The farmer uses farm machinery to plot the soil and plant the corn. Energy from the Sun Is stored by the corn plants. When the farmer, animals, or other people eat corn, they gain the energy captured by it.
Explanation:Because it's easy knowledge