There are 9 ways too elimate negative self talk
- Put negative stuff in a box
- Try the poewer of postive thinking
- Ask yourself if your really so gulity
- put a better spin on things
- Ask: what would my best friend say?
- Give your inner critic a name
- Give your rants a name too
- Pick up the phone
- Embrace your imperfections
During extracting DNA from cheek, it is a classroom and standard protocols to students to used sports drink in their mouth as they scrape the inside cheek than water. The reason for this is the sports drink contains salt and concentration which is compatible with the cells inside the cheek. Additionally, another reason is sports drink prevent cells from damaging or breaking apart and releasing DNA before getting a sample.
Answer:
The semi-plastic rock of the mantle behaves like water being heated. The lower mantle is hotter than upper mantle because it is closer to the hotter core of the earth. Therefore, this part of the mantle is less dense and tends to rise as the upper cooler denser mantle close to the crust sink to the bottom. These convection currents are similar to those of water in a container being heated from below.
The circular motion of these currents tends to drag along the crust due to force of friction between the lower crust and upper mantle. This is what powers tectonic plate movements. When two plates are driven by currents that intersect and churn in the same direction, they collide, at a convergent boundary as shown in position D in the illustration. The denser plate is subducted beneath the other. At position E, two plates are moving away from each other (called a divergent boundary) because each plate is being driven by a different convention current in the mantle. These current are cycling in opposing directions (one clockwise the other anti-clockwise).
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