Which of the following is true of heart attacks? Despite medical advances, most heart attacks are still fatal.
O A heart attack is a decline in the amount of blood supplied to
the brain.
Heart attacks are most often caused by a sudden drop in
blood pressure.
Help the patient administer nitroglycerin or aspirin.

answer; i believe that the correct answer is ; ///(muscle adaptation principe);

so we know the answer cannot be c because no insect or animal starts as an adult

the answer is a. a swimming larvae

because since they are sea animals they automatticaly have to know how to swim they cannot just sink to the bottom

sorry if this is the incorrect answer.