The answer to the question is D
Carbon dioxide is released during cellular respiration.
The purple color of potassium permanganate gradually spreads throughout the water in the jar by the process of diffusion.
- Diffusion is the process of movement of a substance from the region of higher concentration to the regions of lower concentration. Diffusion occurs in liquids as well as gases.
- Potassium permanganate is a purple color compound, when it is added in a jar of water it spreads throughout the water by the virtue of diffusion.
- The concentration of potassium permanganate is higher at one point and the other regions in the jar have its nil or low concentrations initially, this leads to the set up of a concentration gradient.
- As time passes diffusion occurs and the particles of potassium permanganate keep on migrating to the regions of low concentration until the concentration is uniform throughout the jar. Ultimately, it spread throughout the jar making the water purple.
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The answer to this question would be: smell
The sensory organ that catch smell is located in the nose and will send the signal into the olfactory bulb. The olfactory bulb is located in the bottom part of the brain, near the hippocampus(which was the center of memory), and amygdala (which was the center of emotion).
<span>By the age of 4 the hippo campus and the frontal lobe must be developed to have good memory. The hippocampus forms the limbic system and is involved in the consolidation of memory from the short term to long term. The frontal lobe is important in forming short term memories and forming long term memories.</span>
