B because the periodic table tells you the groups of the elements
I think it’s conservation
The sentence that describes an example of natural selection would be D. Cheetahs with longer legs are more likely to capture prey.
The answer to this question would be: start doing CPR.
If the victim becomes unresponsive, probably the foreign body completely obstructs the airway and the oxygen level is already too low. Without the victim help, taking out the foreign body will be hard.
In this case, CPR will be the best option since the pressure from chest might push the foreign body away and the CPR can help circulate the blood.
Answer:
ik the answer and it is the second one im positive abt this!!
