Good morning!
<span>metamorphic and igneous rocks
</span>
Only sedimentary rocks can become, by changing temperature and pressure, in metamorphic rocks.
Hugs!
The answer would be the first one :)
Answer:
Use a head tilt (tilting the head backward) and chin lift to prevent the tongue from obstructing the upper airway, and look for the foreign body that is causing the obstruction.
Explanation.
The backward head tilt and chin lift will prevent the tongue from obstructing airflow.
If the foreign object can be seen and removed, do so. Usually, it is not wise to use the fingers unless the foreign object is visible and accessible.
The next step is to perform CPR because the patient is unresponsive.
Answer: c. molecular structure of DNA
