Your answer is b idk why they want me to put 20 characters for this
If you find yourself in the scenario presented above, do not interfere. Just stay with the victim to make sure that he recovers. The coughing and the wheezing action of the victim will help him to clear his airways of the partial obstruction so that he can recover normal breathing.
A mood and sensory altering drug.
Answer:
189.1
Explanation:
maximum heart rate = (HRmax)
The better formula is: HRmax = 208 − (0.7 × age).
208 − (0.7 × 27) = 189.1
Here is an example for a 25-year-old: 208 − (0.7 × 25) = 190.5.
The tooth's outer layer consists of the Enamel, Dentin and the Pulp.
<h3>What is a tooth?</h3>
A tooth is a hard resistant structure that is located in the mouth for crushing down before swallowing and digestion.
The tooth's outer layer consists of the Enamel, Dentin and the Pulp. The Enamel is the toughest of them all and located at the top layer of the teeth while the dentin is beneath the enamel layer of the teeth with the pulp in the middle.
Learn more on tooth layer here: brainly.com/question/10929330
#SPJ11