Answer: 3. Check to see whether more advanced medical personnel have been called
Explanation: When somebody finds themselves in these kind of delicate situations where someone has collapsed and is not breathing, we use CPR because it can keep people alive until Emergency services arrive. The first step is to start helping them by giving CPR and the second step is making sure that the medical personnel is on their way because they are more eligible and experienced.
Answer:
C. Protein
Explanation:
Proteins contain C, H, O, and N.
Most notably, they contain an R group (aka a side chain), which is different for each for amino acid. The R group is symbolized by the letter R in the image.
Just take that photo and go to google home then google lens and press library and put the photo in and it will find something similar.
Explanation:
because the pressure exerted by artery is more than that of vein due to its narrow lumen and thick walls...causing it difficult to clot.
Answer: Friction
Explanation: Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force.