Chronic stress, or a constant stress experienced over a prolonged period of time, can contribute to long-term problems for heart and blood vessels. The consistent and ongoing increase in heart rate, and the elevated levels of stress hormones and of blood pressure, can take a toll on the body. i hope this helps <3
Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
I believe that is the age of sixteen.
The advantage of the mRNA vaccines is that they don't use your body's own immune system.
<h3>What is mRNA vaccine?</h3>
The mRNA vaccine makes use of the messenger RNA to trigger the body into an immune response. This occurs by instructing the cells to make a protein that is similar to that of the attacking agent.
Thus, the advantage of the mRNA vaccines is that they don't use your body's own immune system.
Learn more about mRNA vaccine:brainly.com/question/23134032
# SPJ1
<em>Answer: She did 5 blows on the back and then 5 abdominal thrusts. </em>
<em></em>
<em>Explanation: A 5-and-5 approach is 5 back blows. ... Deliver five separate back blows between the person's shoulder blades with the heel of your hand. Give 5 abdominal thrusts.</em>
