Heparin is an anticoagulant (blood thinner). It is produced by the body to prevent blood clots from forming at the site of an injury or infection.
Answer:
All of the above
Explanation:
All of this is in the solar system.
P waves move quickly and S waves move slowly through solids,
Explanation:
S and P waves can move through a solid material. P waves generally moves quickly and S-waves move slowly through solids.
S and P waves elastic seismic waves.
- P waves are primary waves travels through any material medium. They move faster than S-waves.
- S waves are secondary waves that moves through solid only. They are shear waves.
- They cannot move through liquids and gases because these materials cannot be sheared.
At a seismic station, P waves arrives first because they have a higher velocity
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Answer:
1 pair of nonbonded electrons
3 pairs of bonded electrons
Explanation:
N has 5 electrons in its valence shell while O has 6.
Lewis structure of NO²⁻ is in the image.
N is in the middle of the structure because is the less electronegative atom. 3 electrons of this atom are forming the bonds and 2 electrons are nonbonded.
As you can see, N has 3 pairs of electrons forming 3 bonds with Oxygens and there is 1 pair of nonbonded electrons.