<span>If a treatment suddenly lowers your serotonin level you may feel sluggish and should consult a doctor immediately. There are prescription drugs which can stabilize serotonin levels, but must be prescribed by a doctor.</span>
F
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The youthful stage of the river is when water flow is the quickest. Waterfalls, potholes, V-shaped valleys and interlocking spurs are features of the youthful stage, and these features are due to erosion. The flow becomes gentler during the mature stage, and the river widens. Curves are characteristic of the middle stage as well. On the inside of the curves, deposition will take place. On the outside, erosion will take place. Land is the flattest during the old age stage. The river has to work hard to make its way to the sea.</span>
Answer:
When a person jumps out of a moving vehicle, he falls forward due to inertia of motion. One example of Newton's first law in real life is, when you are walking with a glass filled with water, you will notice that the water spills at certain locations when you walk at faster pace. The water inside the glass will remain at rest until you move.
Explanation:
Answer:
DNA only.
Explanation:
Both DNA and RNA are built with a sugar backbone, but whereas the sugar in DNA is called deoxyribose, the sugar in RNA is called simply ribose. The ‘deoxy’ prefix denotes that, whilst RNA has two hydroxyl (-OH) groups attached to its carbon backbone, DNA has only one, and has a lone hydrogen atom attached instead.
