To someone who is choking, the red cross recommends the five-and-five approach. this means delivering five followed by five

The following steps are included in a five-and-five approach

In this step, stand behind the person who is choking. Bend the person so that he/she is parallel to the ground. Place a hand on his/her chest. Give five separate back blows with  your hands.

Give five separate abdominal thrusts to the person who is choking.

Alternate between back blows and thrusts until the blocking starts to dislodge.

5 back blows

5 abdominal thrusts

i think the correct answer is b) humans who reduce their calorie intake by at least 25 percent on a long-term basis will live longer than they would have they not done so. i hope i you out