Answer: Earth's seasons are caused by it's tilt on it's axis :)
Explanation:
Simple, both guinea pigs have the dominant B traits in them, and the DNA code combines to make the dominant trait the one most present in the offspring.
I belive the answer would be "A" because the cell would be trying to delute the solution on the outside, and strenghting the solution on the inside.
First you must create a hypothesis, figure how you can conduct your experiment, doing controlled and uncontrolled. Report your experiements then return the hypothesis and figure out if it was correct.
White matter in the spinal cord is named as such because of it's paler color than the other areas which are darker (gray matter). The light color is due to the presence of myelin, a fatty substance which speeds up the rate that electrical impulses travel to and fro the neurons.
Spinal white matter is separated into ascending and descending tracts organized as vertical columns within the cord. There are many names for these specific tracts, usually based upon where the signals traveling in a specific column began, and where it leads to. Such as the Spino-Thalamic tract, which starts in the spinal cord and travels to the Thalamus of the brain. This gives us a uni-directional flow of information, from bottom (spine) to top (brain), so the Spino-Thalamic tract is an ascending column of white nerves.
On the other hand, the Cerebro-Spinal tract descends, from the cerebral of the brain down the spinal cord to reach different parts of the body.